William J. Johnston

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Concord, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for protecting floating roof tanks from the ef...
- Patent number 7,124,906
- Issue date Oct 24, 2006
- Chevron U.S.A. Inc.
- Paul Hamer
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for protecting floating roof tanks from the ef...
- Publication number 20050098560
- Publication date May 12, 2005
- Chevron U.S.A. Inc.
- Paul Hamer
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL