Paul Wilkinson

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Guard and seat assembly, and a guard structure therefor
- Patent number 5,769,117
- Issue date Jun 23, 1998
- Dresser-Rand Company
- Wayne F. Wehber
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...