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Frank Ritchie
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Georgetown, Ontario, CA
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last 30 patents
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Patent Grant
Basketball rim assembly
Patent number
5,759,121
Issue date
Jun 2, 1998
Tim Rogers
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Self-locking safety pin
Patent number
5,095,589
Issue date
Mar 17, 1992
Frances Ritchie
A44 - HABERDASHERY JEWELLERY
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Patent Grant
Controls for a game bike
Patent number
4,637,605
Issue date
Jan 20, 1987
Frank Ritchie
G05 - CONTROLLING REGULATING