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Patents Grantslast 30 patents

Information Patent Grant
Board game with tower and collapsing stairs
- Patent number 7,819,404
- Issue date Oct 26, 2010
- Hasbro, Inc.
- William Creech
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Game with subterranean passageway grid
- Patent number 5,505,455
- Issue date Apr 9, 1996
- Rudell; Elliot A.
- Richard Kamrath
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method and means of sequentially observing player positions in pred...
- Patent number 4,117,606
- Issue date Oct 3, 1978
- Richard A. Pundt
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
3809405
- Patent number 3,809,405
- Issue date May 7, 1974
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
3689071
- Patent number 3,689,071
- Issue date Sep 5, 1972
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
3464701
- Patent number 3,464,701
- Issue date Sep 2, 1969
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
3048403
- Patent number 3,048,403
- Issue date Aug 7, 1962
- A63 - SPORTS GAMES AMUSEMENTS