John P. Schaffner

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South Windsor, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotary pump having brake means with thermal fuse
- Patent number 4,500,268
- Issue date Feb 19, 1985
- Chandler Evans Inc.
- Jack G. Sundberg
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...