Marc St-Pierre

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Calixa-Lavallee, CA

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Patents Grantslast 30 patents

Information Patent Grant
Security lock assembly for shut-off valve
- Patent number 6,604,391
- Issue date Aug 12, 2003
- Centre des Technologies on Gaz Naturel
- Michel Vellette
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Security lock assembly for shut-off valve
- Publication number 20020078721
- Publication date Jun 27, 2002
- Michel Vellette
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...