John P. Petro

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Linear actuator mechanism for converting rotary to linear movement...
- Patent number 5,752,811
- Issue date May 19, 1998
- John P. Petro
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...