Elsa O. Hofmann

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Montclair, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Prehistoric animal game
- Patent number 5,037,111
- Issue date Aug 6, 1991
- Elsa O. Hofmann
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Gameboard apparatus
- Patent number 4,946,169
- Issue date Aug 7, 1990
- Elsa O. Hofmann
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Outer space travelling board game
- Patent number 4,804,190
- Issue date Feb 14, 1989
- Elsa O. Hofmann
- A63 - SPORTS GAMES AMUSEMENTS