on one common axis

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Patents Grantslast 30 patents

Information Patent Grant
Sudoku solving apparatus
- Patent number 8,132,814
- Issue date Mar 13, 2012
- Sastry Ganti
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Sudoku strategizer solution aide and strategy board game
- Patent number 8,079,592
- Issue date Dec 20, 2011
- Charles Butler
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Card game parameter indicator apparatus
- Patent number 5,398,933
- Issue date Mar 21, 1995
- Lyle M. Thompson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Math game apparatus
- Patent number 5,386,998
- Issue date Feb 7, 1995
- Rosemary L. Mader
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Game
- Patent number 4,421,315
- Issue date Dec 20, 1983
- Alfred Cutler
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Arithmetic dice gameboard
- Patent number 4,410,182
- Issue date Oct 18, 1983
- David D. Francis
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
3747934
- Patent number 3,747,934
- Issue date Jul 24, 1973
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
3744800
- Patent number 3,744,800
- Issue date Jul 10, 1973
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
2253605
- Patent number 2,253,605
- Issue date Aug 26, 1941
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
1466534
- Patent number 1,466,534
- Issue date Aug 28, 1923
- A63 - SPORTS GAMES AMUSEMENTS