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Patents Grantslast 30 patents

Information Patent Grant
Learning tool and game for identifying fractional indicia on tape m...
- Patent number 10,529,251
- Issue date Jan 7, 2020
- John L. Gaddis
- G01 - MEASURING TESTING
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
Multi-use number board
- Patent number 4,979,749
- Issue date Dec 25, 1990
- Richard A. Onanian
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
1442165
- Patent number 1,442,165
- Issue date Jan 16, 1923
- A63 - SPORTS GAMES AMUSEMENTS