D. Keith Dewey

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Waterloo, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic speed control system for a harvesting assembly
- Patent number 4,967,544
- Issue date Nov 6, 1990
- Deere & Company
- Duane H. Ziegler
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING