Roger William Harper

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North Saanich, CA

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Patents Grantslast 30 patents

Information Patent Grant
Pressure control system for low pressure operation
- Patent number 6,935,363
- Issue date Aug 30, 2005
- Hydrogenics Corporation
- Gordon John Lamont
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Pressure control system for low pressure operation
- Publication number 20040182444
- Publication date Sep 23, 2004
- Gordon John Lamont
- G05 - CONTROLLING REGULATING