Les Produits Duvernay Ltee

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St-Leonard, CA

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Patents Grantslast 30 patents

Information Patent Grant
Insulated, weatherproof window frame of synthetic resin material
- Patent number 4,996,814
- Issue date Mar 5, 1991
- Les Produits Duvernay Ltee
- Guy Guillemet
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Frame corner bracket
- Patent number D307078
- Issue date Apr 10, 1990
- Les Produits Duvernay Ltee
- Guy Guillemet
- D06 - Furnishings
Information Patent Grant
Method for applying a fabric material to a frame
- Patent number 4,856,171
- Issue date Aug 15, 1989
- Les Produits Duvernay Ltee
- Rene Croteau
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for applying a fabric material to a frame
- Patent number 4,766,661
- Issue date Aug 30, 1988
- Les Produits Duvernay, Ltee
- Rene Croteau
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR