with a shield on each side of the playing field

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Patents Grantslast 30 patents

Information Patent Grant
Mirror checkers/chess
- Patent number 7,017,906
- Issue date Mar 28, 2006
- Gregory Benjamin
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Board game with trap doors
- Patent number 5,344,154
- Issue date Sep 6, 1994
- Steven W. Langstroth
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Guessing game and associated playing method
- Patent number 4,685,672
- Issue date Aug 11, 1987
- Wayne L. Fillers
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Board game
- Patent number 4,593,910
- Issue date Jun 10, 1986
- Commonwealth of Puerto Rico
- Linda T. Font
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Electronic competitive player response game apparatus
- Patent number 4,309,030
- Issue date Jan 5, 1982
- Goldfarb; Adolph E.
- Adolph E. Goldfarb
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Crossword puzzle game equipment
- Patent number 4,209,173
- Issue date Jun 24, 1980
- Omnion, Incorporated
- Alexander Curtis
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
3401936
- Patent number 3,401,936
- Issue date Sep 17, 1968
- A63 - SPORTS GAMES AMUSEMENTS