David Brent Sinclair

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Baie d'Urfe, Quebec, CA

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Patents Grantslast 30 patents

Information Patent Grant
Adjustment riser
- Patent number 6,196,760
- Issue date Mar 6, 2001
- David Brent Sinclair
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Manhole or catch basin assembly
- Patent number 6,161,984
- Issue date Dec 19, 2000
- David Brent Sinclair
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
MANHOLE COVER ASSEMBLY WITH CAMS
- Publication number 20150020458
- Publication date Jan 22, 2015
- David Brent Sinclair
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING