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Timothy A. Effler
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Torrance, CA, US
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last 30 patents
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Patent Grant
Electronic maze game
Patent number
4,326,719
Issue date
Apr 27, 1982
Mattel, Inc.
Luan G. Tran
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Electronic game system
Patent number
4,322,074
Issue date
Mar 30, 1982
Mattel, Inc.
David F. James
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE