Rene Bertrand

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St-Jean-sur-Richelieu, CA

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Patents Grantslast 30 patents

Information Patent Grant
Machine for cutting pavement
- Patent number 6,582,026
- Issue date Jun 24, 2003
- René Bertrand
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Concrete saw machine for grooving above, below, or beside
- Patent number 6,158,817
- Issue date Dec 12, 2000
- Equipement Kotkurb Inc.
- Rene Bertrand
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Machine for cutting concrete barriers
- Patent number 5,230,270
- Issue date Jul 27, 1993
- Rene Bertrand
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Machine for cutting pavement
- Patent number 4,832,412
- Issue date May 23, 1989
- Rene Bertrand
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Machine for cutting curbstones, sidewalls and the like
- Patent number 4,433,871
- Issue date Feb 28, 1984
- Rene Bertrand
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Machine for cutting pavement
- Publication number 20020024249
- Publication date Feb 28, 2002
- Rene Bertrand
- B28 - WORKING CEMENT, CLAY, OR STONE