Edward H. Gervais

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Cumberland Center, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
High torque low speed hydraulic motor with rotary valving
- Patent number 4,563,136
- Issue date Jan 7, 1986
- Parker-Hannifin Corporation
- Edward H. Gervais
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...