John D. Smith

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Sutton Coldfield, GB

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Patents Grantslast 30 patents

Information Patent Grant
Tractor hydraulic control systems
- Patent number 4,492,080
- Issue date Jan 8, 1985
- Massey-Ferguson Services N.V.
- Robert E. Yapp
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING