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Document Title |
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7261638 |
Bowling practice device
A bowling practice device for regularizing and perfecting bowling technique. An aerodynamically designed hollow body includes an outer wall and a cylindrical inner wall. The opposed ends of the...
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7066823 |
Adjustable bowling ball measuring and marking device
A device for determining the placement of gripping holes with respect to the pin and/or the center of gravity and/or the mass bias of a bowling ball has a meridian plane indicator, a vertical axis...
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6743109 |
Decorative bowling ball and method therefor
A method and apparatus is disclosed for transferring a decorative image to a bowling ball by sublimation from a transfer sheet. The method includes applying at least one transfer sheet containing...
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6691759 |
Apparatus for decorating bowling balls
A method and apparatus for making and/or decorating bowling balls and the like includes flexible transfer sheets with heat-activated ink applied to at least portions thereof. A form or mold with...
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6569025 |
Bowling ball
A bowling ball having an internal weight whose position along a spin axis is adjustable by operation of a drive means which in turn is operative to rotate a threaded nut sleeve that supports the...
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6524419 |
Method and apparatus for making and/or decorating bowling balls and the like
A method and apparatus for making and/or decorating bowling balls and the like includes flexible transfer sheets with heat-activated ink applied to at least portions thereof. A form or mold with...
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6280344 |
Luminous bowling ball
An impact illuminated bowling ball including a light transmitting core, a pair of LEDs embedded in the core, a piezoelectric transducer embedded in the core and electrically connected to the LEDs....
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6280343 |
Method of adapting a relatively small number of bowling balls for testing use by a relatively large number of bowlers
A method for adapting a relatively small number of bowling balls for use in testing by a relatively large number of bowlers having different hand sizes. The method includes the steps of predrilling...
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5846138 |
Method and apparatus for bowling in minimal ambient light
Sporting apparatus and environment are disclosed for playing a sport in low ambient light. At least a portion of the playing field for playing the sport is fluorescent as well as at least one of...
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5833548 |
Bowling ball
A bowling ball has an annular band interposed between two spherical segments so as to define an outer peripheral surface of the spherical ball. The first and second spherical segments have...
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5769064 |
Elastic band powered ball projecting machine
An elastic band powered ball projecting machine is capable of hurling baseball, softball, tennis ball and simulated ball for batting practice. The machine includes a tube assembly within which a...
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5556342 |
Ball having surface indentations for games of bowls and processes for obtaining such a ball
Bowl for games such as petanque, including an outer surface (2) composed of a base surface (4) with prominent patterns (3, 103), regularly distributed on at least 90% of the total base surface (4)....
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5525118 |
Weighted core for bowling ball and method of making same
A two-piece bowling ball that combines a dynamic core and a urethane cover to thereby permit bowlers to utilize the bowling ball under a variety of bowling lane conditions. The improved bowling...
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5522774 |
Bowling ball with top weight and ceramic core
A bowling ball comprises a dense inner core which cannot be penetrated during the drilling of holes for gripping purposes and balance holes to adjust the static weight, a non-spherical outer core...
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5102131 |
Luminous game balls
Self-illuminated luminous game balls for nighttime play which may be either inflated or self-supporting and consist of various apparently ordinary looking balls with portable electric lighting...
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4934698 |
Soft bowling ball
A bowling ball consisting of an inner core of generally elastomeric material, an outer shell of material generally surrounding throughout all the inner core, and the inner core being of generally...
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4822849 |
Low shrink hybrid resins
Unsaturated polyester compositions comprising (a) an unsaturated polyester prepolymer and (b) a vinyl monomer copolymerizable with the prepolymer, which are cured by addition of (c) a...
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4641839 |
Roller-ball structure
A roller-ball assembly including a spherically shaped ball but comprising a multi-piece construction including a substantially centrally disposed roller element and two ball segments preferably...
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4613137 |
Bowling ball
A bowling ball having an outer shell comprised of at least two regions defining the outer surface of the ball, one region of a material having a predetermined surface hardness and the other region...
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4605725 |
Polyurethane sealant compositions and their use as thermal-break sealants
The invention relates to polyurethane sealant compositions prepared by reacting a polyether polyol other than one derived from monoethanolamine, an alkylene oxide adduct of monoethanolamine,...
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4603861 |
Bowling ball
A bowling ball having a spherical solid core and a spherical mantle which is hollow in the center to accommodate the core in closely adjacent surrounding relationship. A layer of lubricant, such as...
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4592551 |
Bowling ball
An integral, solid bowling ball, devoid of any significant hollow portion, with inherent hooking characteristics has an elongated rod-like core that is symmetrical about the finger hole axis of the...
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4522397 |
Filled shell bowling ball
A bowling ball having hard and inflexible flake materials arranged in a substantially interlocking relationship and located at or just below the outer surface of the bowling ball to form a...
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4461478 |
Bowling ball and method of manufacture
The outer shell of a bowling ball, vulcanized in situ onto a spherical core, is formed of a mixture of sulfur-vulcanizable rubber, preferably SBR rubber, inert particulate filler such as rubber...
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4328967 |
Lightweight bowling ball
A bowling ball having an inner core and at least one thermosetting resin shell which contains sufficient lightweight particles, such as unicellular borsilicate glass spheres, having a diameter...
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4309377 |
Polymer alloy bowling ball
A bowling ball having a thin viscous film deposited upon its surface from within the ball for increasing the coefficient of friction between the ball and the bowling lane. The film comprises a...
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4264071 |
Bowling ball
A bowling ball is made with a shell and a core of different compositions, with the core having a greater density than the shell so that the finished ball will have a predetermined weight; and the...
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4133527 |
Bowling balls
Soft rubber buffing dust is dispersed throughout the hard rubber cover of a bowling ball. When polished, cavities are formed in the cover, resulting in increased traction or grip between the...
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3924856 |
Non-rolling game ball
A soft non-rolling bean bag type of ball adapted for use in lawn bowling by being lobbed against pins set up on a platform. The ball or bag has a relatively soft covering filled with particulate...
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3807733 |
BOWLING BALL
A bowling ball comprising an exterior shell having a smooth outer rolling surface and an inner core, wherein said core comprises a binder or matrix material comprising a vulcanized natural or...
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3734498 |
SOFT BALL WITH INTERNAL DRAG
A soft ball has an outer shell of a resilient polymeric material and is partially filled with a fine, dry, granular solid. When rolled on a hard surface the drag of the granular solid and the work...
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3645528 |
BOWLING BALL INCLUDING TUNED LOADING CIRCUIT
A loading circuit tuned to an identifying frequency is molded within a plastic housing. The housing is threaded into a cavity located in a fingerhole of a bowling ball. The circuit includes a...
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3630601 |
PHOTOELECTRIC REGISTRATION OF BALL ROTATION AS TEACHING AID FOR BALL GAMES
The ball is provided with a surface pattern of regions of different optical properties. Light reflected from the moving ball is modulated by the rotation of these regions, transformed into a time...
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3517933 |
GAME BALL
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3506265 |
MULTIPLE-PLY,INFLATED BALL FOR GAMES
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3504914 |
COMBINED TARGET,DISK MARKERS,AND BALL GAME
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3467605 |
HIGH DENSITY RIGID POLYETHER/POLYESTER URETHANE FOAMS
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3454440 |
METHOD OF AND APPARATUS FOR FORMING THUMB RECEPTACLES IN BOWLING BALLS
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3411781 |
Polyester bowling ball and method of making same
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3386176 |
Custom fitting of bowling balls
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3364607 |
Bowling ball
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3353825 |
Bowling ball
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3350252 |
Structure and manufacture of bowling balls
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3318727 |
Scratch and wear resistant cured polyester surfaces
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3270108 |
Method for making bowling balls
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3265392 |
Lightweight bowling ball
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3256018 |
Bowling ball and process of making same
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3248113 |
Bowling ball
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3208750 |
Bowling ball with epoxy resin cover
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3206201 |
Bowling ball structures and their manufacture
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