William Yelich

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Costa Mesa, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Air release and vacuum breaker valve system
- Patent number 4,696,321
- Issue date Sep 29, 1987
- Cla-Val Company
- James R. Reese
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve having a bias-mounted elastomeric sealing element, and method...
- Patent number 4,373,550
- Issue date Feb 15, 1983
- Cla-Val Co.
- William Yelich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...