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Irvan A. Groothuis
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Lincoln, NE, US
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last 30 patents
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Patent Grant
Conveyor for a combine harvester
Patent number
4,751,811
Issue date
Jun 21, 1988
The Goodyear Tire & Rubber Company
Irvan A. Groothuis
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING