Elwyn E. Engelter

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Otsego, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Vane pump
- Patent number 3,964,844
- Issue date Jun 22, 1976
- Parker-Hannifin Corporation
- Charles H. Whitmore
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...