Matches 1 - 15 out of 15
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7419325 Tube assembling device  
A tube assembling device consisting of hub-carriers and hubs for erecting three-dimensional structures. The hub-carriers consist of two pairs of half-rings, bearing tongues offset by 90° along an...
6866514 Gel electrophoresis training aid and training kit  
A gel electrophoresis training aid is provided. The training aid includes a substantially transparent elastomeric body having at least one series of spaced-apart wells. The elastomeric body is...
6652285 System which can reversibly reproduce itself  
It is described a system of independently moving elements with characteristics making them bind reversibly to each other according to certain rules such that they form self-replicating and mutating...
6343937 Block  
A block includes a hole provided on one side of the block, two fifths of the length of the block from one end, and a pin provided on the opposite side of the block two fifths of the length of the...
6036497 Dynamic model of the DNA molecule  
The invention is a dynamic model of the DNA molecule. The invention includes a multiplicity of physical representations of the four nucleotides. Each physical representation is comprised of...
5110297 Assembly system for demonstrating chemical structures  
An assembly for obtaining a plurality of cluster structures in either a sequential manner or collectively having a base component portion (10) having an enlarged body (12) to which is attached, by...
4812128 Three-dimensional molecular model  
A three-dimensional molecular model comprises plastic modules, each representing on atom connected to one another. Modules intended to represent atoms of cyclic compounds are polyhedrons set in the...
4507089 Mechanical support module for nucleic acid  
The invention relates to a mechanical support module for the construction of different models of nucleic acids or the like. A module of this type consists of at least one frame (110) carrying a...
4378218 Protein molecule model  
A ball-and-stick model system representing alpha carbon positions and the peptide link between adjacent alpha carbons as modeling elements of two-piece sets. Each two-piece set comprises...
4184271 Molecular model  
A model for representing nucleic acid molecules, such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) consists of a plurality of helical segments secured together in end to end relation...
3903616 Molecule model construction kit  
A molecule model construction kit includes six types of members, with each type representing the sugar, phosphate, thymine, adenine, guanine, and cytosine submolecules of the DNA molecule. The...
3802097 DNA MODEL KIT  
A kit for constructing a DNA (deoxyribonucleic acid) molecule, and for demonstrating replication during mitosis, comprises, a plurality of groups of chips, each group designating a component of the...
3594924 DNA-RNA TEACHING AID  
A model for representing chemical structures such as deoxyribonucleic acid and the like, and including a combination of individual units with projections and apertures formed as part of the units...
3445940 RNA PROTEIN SYNTHESIS MODEL  
3296714 Molecular models  
Matches 1 - 15 out of 15