George Bertin

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New York, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Varied track advancement game mechanism
- Patent number 4,163,556
- Issue date Aug 7, 1979
- George Bertin
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Three-dimensional mathematical game
- Patent number 3,995,862
- Issue date Dec 7, 1976
- George Bertin
- A63 - SPORTS GAMES AMUSEMENTS