Jack D. Sumrall

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Pasadena, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Non-leaking valve
- Patent number 5,509,435
- Issue date Apr 23, 1996
- Occidental Chemical Corporation
- Charles R. Rutan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...