Roger B. Whitaker

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Crystal Lake, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Combine data center
- Patent number 4,376,298
- Issue date Mar 8, 1983
- Dickey-john Corporation
- David G. Sokol
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Combine performance monitor
- Patent number 4,296,409
- Issue date Oct 20, 1981
- Dickey-john Corporation
- Roger B. Whitaker
- G07 - CHECKING-DEVICES