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Robert G. Trout
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Huntington Beach, CA, US
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last 30 patents
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Patent Grant
Toy molding apparatus and material for use therewith
Patent number
4,215,843
Issue date
Aug 5, 1980
Mattel, Inc.
Derek J. Gay
A63 - SPORTS GAMES AMUSEMENTS
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Patent Grant
Device using coated paper and chemical reactive marker
Patent number
4,139,965
Issue date
Feb 20, 1979
Mattel, Inc.
Beverly J. Curry
A63 - SPORTS GAMES AMUSEMENTS