Bryan W. McDonald

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Kingwood, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus, systems and methods for plugging a high temperature pipe
- Patent number 7,281,543
- Issue date Oct 16, 2007
- Charles D. Calkins
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Apparatus, systems and methods for plugging a high temperature pipe
- Publication number 20060243326
- Publication date Nov 2, 2006
- Charles Dale Calkins
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...