Mark S. Knighton

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Los Angeles, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Simulative toy vehicle
- Patent number D272925
- Issue date Mar 6, 1984
- California R&D
- Lawrence T. Jones
- D21 - Games, toys, and sports goods
Information Patent Grant
Robot computer chess game
- Patent number 4,398,720
- Issue date Aug 16, 1983
- California R & D Center
- Lawrence T. Jones
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Voice discriminating system
- Patent number 4,357,488
- Issue date Nov 2, 1982
- California R & D Center
- Mark S. Knighton
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Two speed toy car and track assembly
- Patent number 4,333,261
- Issue date Jun 8, 1982
- California R & D Center
- Lawrence T. Jones
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Toy oven
- Patent number D262299
- Issue date Dec 15, 1981
- California R & D Center
- Lawrence T. Jones
- D21 - Games, toys, and sports goods
Information Patent Grant
Toy oven assembly
- Patent number 4,298,788
- Issue date Nov 3, 1981
- California R & D Center
- Lawrence T. Jones
- A63 - SPORTS GAMES AMUSEMENTS