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8986012 Three-dimensional 3D visualization kit  
The 3D visualization kit helps visualize concepts relating to points, surfaces, planes, curves, contours, and vectors in three dimensions. The kit is an inexpensive solution provided along with...
8939767 Polygonal device for kinesthetic learners  
A polygonal device for teaching students who prefer kinesthetic learning methods is presented in which the polygonal device can represent two-dimensional polygons of varying shapes and sizes. One...
8833768 Storytelling game and method of play  
A method of play, wherein play emphasizes storytelling and story recounting abilities, and wherein the method comprises: (a) providing a gaming device which provides for: a plurality of subject...
8602790 Demonstration tools for geometric properties  
A variety of tools for demonstrating the mathematical properties is disclosed. In one embodiment, a demonstrator uses the tools to illuminate geometric relationships between objects in two and...
8444419 Polygonal device for kinesthetic learners  
A polygonal device for teaching students who prefer kinesthetic learning methods is presented in which the polygonal device can represent two-dimensional polygons of varying shapes and sizes. One...
8206155 Trigonometry teaching aid system  
The present invention provides a teaching aid system (10) for assisting students in applying trigonometric classroom lessons in real life applications both in indoor and outdoor settings. The...
7942675 Calculus teaching aid  
A calculus teaching aid includes a substrate, a plurality of visual components configured to define a two-dimensional graphical model of the first derivative, and a plurality of symbolic labels...
7764985 Surgical navigation system component fault interfaces and related processes  
Devices and processes for use in computer aided or computer navigated surgery include one or more fault interfaces interposed between an indicium and an item to be used during surgery such as a...
7713060 Joining mechanism for lightweight applications  
A convex polyhedron is formed from planar polygonal members, wherein aligned sides of adjacent abutting polygonal members meet to form edges of the polyhedron. A flexible polycarbonate plastic...
7542932 Systems and methods for multi-objective portfolio optimization  
The systems and methods of the invention are directed to portfolio optimization and related techniques. For example, the invention provides a method for multi-objective portfolio optimization for...
7292964 Translating of geometric models into block diagram models  
Methods and systems for translating models generated in one modeling environment into models that can be used in other modeling environments are disclosed. Models are created using different data...
6941667 Teaching sin and cosine instrument  
A device that teaches the relationship between a right triangle, the length of its hypotenuse, the length of its two sides and the trigonometric functions. The device includes a horizontal and...
6872078 Teaching cylinder instrument  
A device that teaches the relationship between a cylinder's surface areas and volume, its diameter and radius, the top circle circumference and area, the arc length, the sector area, the volume of...
6790118 Block set for educational purposes  
The object of this invention is to provide a block set for educational purposes. The block set features that a plurality of block units of the same color are integrated so as to build a block bar,...
6652347 Entertainment device  
An entertainment device comprising a plurality of rotational member divided into two groups: triangular members 10 and pentagonal members 20, a plurality of arcuate movable pieces 30 and a base...
6641453 Construction set for building structures  
A novel construction set particularly useful for children safely to assemble and use two-and three-dimensional structures of a wide range of sizes and shapes with flexible foam-like tubes or rods...
6553678 Austin triangle  
I have discovered it is possible to find an indirect measurement if the vertex angle is given and the sides and the diameter are given. Using an instrument having the shape of an isosceles...
6309716 Tessellation set  
Sets of tessellatable elements are disclosed, in which a relatively low number of different elements may be combined together to provide very attractive tessellating patterns.The elements may be...
6241572 Manipulable beaded string  
A manipulatable beaded string toy device comprising of a plurality of interconnectable elements, each element including a number of beads disposed on a cord. When the plurality of interconnectable...
6213779 Conic section activity boards  
The present invention provides a variety of laminated plastic activity boards that allow the individual to visualize and have interactive exploration of conic sections and their definitions. This...
6159329 Self-adhesive graph appliques  
A method of incorporating small graphs on to pages of text or calculations by using small adhesive-backed appliques or labels which have been pre-printed with a graphical coordinate grid. These...
6142785 Educational set of gloves  
An educational device and method is provided. Comprising a first glove having a first set of digits for receiving the fingers and thumb of one hand and a second glove having a second set of digits...
6132217 Method and apparatus for teaching relationship of trigonometric functions between unit circle and rectangular coordinate system  
A method and apparatus for teaching a relationship of trigonometric functions between a unit circle and a rectangular coordinate system has a primary flexible member movable between a circular...
6065968 Toy for forming variable three-dimensional design  
A toy that may be used to make three-dimensional designs from elastic members comprises a base and at least one, and preferably two, vertical sidewalls rotatable relative to the base. The base and...
6017220 Magnetic geometric building system  
A construction kit comprising a plurality of connectable magnetic members having north and south magnetic poles on their opposite faces.
6004182 Temporary structure  
The structures of this invention comprise a plurality of panels. Rod formations are associated with the panels along at least some edges thereof. Joining devices consisting of elongated frame...
5967788 Toy device for illustrating mathematics  
The present invention relates to a toy device designed for illustrating mathematical concepts, with the toy device made from any of a variety of flexible materials. The toy device will have at...
5921781 3-dimensional models showing chemical point group symmetry  
A three-dimensional instructional model used to exhibit and represent specific point groups used in the application of group theory to symmetry operations and molecular structure. A pair of...
5873729 Mathematical triangle kit and method of use  
A mathematical triangle kit designed to teach children and adults mathematical and symmetry skills utilizing various sized patterned blocks. By manipulating the patterned blocks the participant...
5785529 Connector for modeling kits  
A connector body (10) for joining elongated rods or struts (12) for use in creating three-dimensional structures or models is disclosed. The connector body (10) includes a plurality of resilient...
5660387 Polyhedron puzzle  
A set of polyhedrons have shapes capable of fitting together, in one or more ways, into a solid geometric shape such as a rectangular solid or more specifically, a cube. The polyhedrons include...
5651679 Virtual polyhedra models  
Kaleidoscopes are used to show solid-appearing images of the Platonic and Archimedean polyhedra (except the snub solids) and of the Kepler-Poinsot stellations. The polyhedra are divided into...
5639090 Geoboard with movable pins  
A geoboard has a board member with a plurality, advantageously four edges. An array of holes which is preferably in the form of a matrix, is provided in the board member for receiving slidably...
5599188 Didactic-educational toy for elementary arithmetic operations, reading and writing  
A didactic-educational toy for elementary arithmetic operations includes a plurality of transparent plates. Each of the transparent plates has ten circular orifices. The orifices are distributed...
5584699 Computerized system for teaching geometry proofs  
A system for teaching proofs, including a set of playing cards and a playing field electronically displayed on a computer game screen. The playing field includes two boxes labelled "GIVEN" and...
5407356 Pictorial image transforming manipulative-with multiple channel tracks  
A visual aid teaching device for translating one or more superimposed picture images in a linear path at different positions with respect to a stationary underlay picture includes as basic...
5370538 Devices for transforming pictorial images in orthogonal dimensions  
This present invention relates to displaying devices for instructive purposes. One object of this invention is to provide a composition of translations or a combination of rotation and...
5343369 Light table for teaching geometric principles  
A light table includes a housing extending in a horizontal direction having legs extending downwardly therefrom. The housing defines X- and Y-axes and has an X-Y grid pattern formed thereon and...
5328374 Geometry board  
A geometry board having pegs arranged on its top face for the demonstration of planar geometric figures by stretching of elastic bands about the pegs. The disclosed board is of clear...
5316483 Geometric display device and method of demonstrating geometric shapes  
A device and method for illustrating geometric shapes are disclosed which enables individuals to study and visualize the interrelation between geometric shapes and more particularly complementary...
5281145 Pictorial image transforming manipulatives  
The pictorial image transforming manipulatives are instructional visual aid devices adapted for use to demonstrate visually the applications of deductive reasoning in proving most of the geometry...
5249966 Geometric building block system employing sixteen blocks, eight each of only two tetrahedral shapes, for constructing a regular rhombic dodecahedron  
A geometric block system for constructing a regular rhombic dodecahedron having twelve identical rhombic faces, the system consisting of eight identical first blocks each being one-quarter of a...
5219289 Mathematical teaching aid  
A mathematical teaching aid or game comprising a background grid having components and subcomponents each positioned within individual cells of the grid so that many mathematical arrangements and...
5215467 Mathematical instruction board and method of use  
An educational board for use in demonstrating mathematical principles has a surface marked with a circle having its circumference marked with gradations indicating 360 degrees. The board is...
5114347 Mathematical function demonstrator boards  
An electromechanical demonstrator board of one or more of the six trigonometric functions. The board is powered electrically by a battery and mechanically by a hand crank which drives a pointer...
5108291 Supplementary teaching instruments  
A supplementary teaching instrument based on mathematical basic theories and principles as well as child psychology. The invention employs a number of rectangular blocks of a prescribed shape...
5100359 Toy made of several interconnectable and adaptable units  
A toy is made up of a number of different elements which fit together in a particular manner to form a spherical body. A first set of elements are each of a pyramid shape with a hexagonal...
RE33785 Geometric modeling kit and method of making same  
A geometrical structural system is made up of a plurality of nodes and shape-coded connectors extending therebetween, each node having a plurality of outer polygonal elements. The outer edges of...
5076793 Fractal mathematics kit  
A fractal mathematics learning kit includes a plurality of boards each in the shape of an equilateral triangle having defined thereon a pattern of ten smaller equilateral triangles, and a...
5013245 Information shapes  
A series of interrelated solid, geometric shapes having informational - processing applications. Each solid, geometric shape may be assigned a specific meaning; additionally, any one solid,...

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