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Ira Friedman
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West Palm Beach, FL, US
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last 30 patents
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Patent Grant
Reciprocating manipulable ball puzzle
Patent number
5,437,454
Issue date
Aug 1, 1995
Tri-Tec Industries Ltd.
Ira Friedman
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Football simulation game
Patent number
5,297,792
Issue date
Mar 29, 1994
Tri-Tec Industries
Ira Friedman
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Game
Patent number
5,090,699
Issue date
Feb 25, 1992
Tri-Tec Industries Ltd.
Ira Friedman
G07 - CHECKING-DEVICES