Innotag Inc.

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Quebec, CA

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Patents Grantslast 30 patents

Information Patent Grant
Drainage valve having a flexible flap with an edge taper
- Patent number 5,020,567
- Issue date Jun 4, 1991
- Innotag Inc.
- Serge L. Proulx
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Control device for underground drainage and irrigation network
- Patent number 4,948,294
- Issue date Aug 14, 1990
- Innotag Inc.
- Francois Mercier
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Control device for underground drainage network
- Patent number 4,890,955
- Issue date Jan 2, 1990
- Innotag Inc.
- Francois Mercier
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

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