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Thomas H. Grimm
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Manhattan Beach, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Toy railroad vehicle brake system
Patent number
4,568,305
Issue date
Feb 4, 1986
Mattel, Inc.
Nicholas De Anda
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Track intersection for toy trains
Patent number
4,564,162
Issue date
Jan 14, 1986
Mattel, Inc.
Thomas H. Grimm
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Toy railroad vehicle with alignment bias
Patent number
4,522,607
Issue date
Jun 11, 1985
Mattel, Inc.
Eugene J. Kilroy
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Computer control toy track system
Patent number
4,349,196
Issue date
Sep 14, 1982
Smith Engineering
Jay Smith
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Inkless fingerprinting device and method adapted for recordation of...
Patent number
4,262,623
Issue date
Apr 21, 1981
Park Management and Development Co.
Jay Smith
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Electronically controlled roadrace system with sound generator
Patent number
4,247,107
Issue date
Jan 27, 1981
California R & D Center
Jay Smith
A63 - SPORTS GAMES AMUSEMENTS