John K. Vandervoort

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Richland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic control system for a variable displacement pump
- Patent number 4,655,689
- Issue date Apr 7, 1987
- General Signal Corporation
- Robert C. Westveer
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...