Alan F. Chou

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Outside seal and yoke valve
- Patent number 4,745,938
- Issue date May 24, 1988
- Precision General, Inc.
- Spencer M. Nimberger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...