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San Diego, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Automatic electronic downloading of bingo cards with algorithm for...
Patent number
5,072,381
Issue date
Dec 10, 1991
Selectro-Vision, Ltd.
John Richardson
G07 - CHECKING-DEVICES
Information
Patent Grant
Portable validation unit for gaming system
Patent number
5,054,787
Issue date
Oct 8, 1991
Selectro-Vision, Ltd.
John Richardson
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Automatic electronic downloading of bingo cards
Patent number
5,043,887
Issue date
Aug 27, 1991
Selectro-Vision, Ltd.
John Richardson
G07 - CHECKING-DEVICES
Information
Patent Grant
Gaming system with system base station and gaming boards
Patent number
5,007,649
Issue date
Apr 16, 1991
Selectro-Vision, Ltd.
John Richardson
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Gaming system with session master and gaming boards
Patent number
4,848,771
Issue date
Jul 18, 1989
Selectro-Vision, Ltd.
John Richardson
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Multiple bingo gaming board
Patent number
4,798,387
Issue date
Jan 17, 1989
Selectro-Vision, Ltd.
John Richardson
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Electronic game board for bingo
Patent number
4,747,600
Issue date
May 31, 1988
Selectro-Vision, Ltd.
John Richardson
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Gaming board
Patent number
4,365,810
Issue date
Dec 28, 1982
Selectro-Vision, Ltd.
John Richardson
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
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last 30 trademarks