Gregory A. Hall

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Duncan, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Plug valve assembly and fluid flow control method with improved low...
- Patent number 6,655,658
- Issue date Dec 2, 2003
- Halliburton Energy Services, Inc.
- Kenneth G. Neal
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Plug valve assembly and fluid flow control method with improved low...
- Publication number 20030151016
- Publication date Aug 14, 2003
- Kenneth G. Neal
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...