Richard F. Klein

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Covina, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluid balancing system for tank vehicle
- Patent number 4,313,566
- Issue date Feb 2, 1982
- Richard F. Klein
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Adjustable proportioning valve
- Patent number 4,224,956
- Issue date Sep 30, 1980
- Richard F. Klein
- G05 - CONTROLLING REGULATING