Robert Ducharme

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St-Anne-Des-Plaines, CA

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Patents Grantslast 30 patents

Information Patent Grant
Anti-vibration sound insulator for suspended ceiling
- Patent number 7,743,572
- Issue date Jun 29, 2010
- Soprema, Inc.
- Robert Ducharme
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multi-composite acoustic panel
- Patent number 7,467,688
- Issue date Dec 23, 2008
- Royal Mat Inc.
- Robert Ducharme
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Sound and thermal insulating non-woven synthetic sheet material
- Patent number 6,514,889
- Issue date Feb 4, 2003
- Soleno Textiles Technique Inc.
- Richard Théorêt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Sound absorbing substrate
- Patent number 6,213,252
- Issue date Apr 10, 2001
- Royal Mat International Inc.
- Robert Ducharme
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
THERMO-ACOUSTIC RADIANT MEMBRANE
- Publication number 20100062241
- Publication date Mar 11, 2010
- Soprema Inc.
- Robert Ducharme
- B32 - LAYERED PRODUCTS
Information Patent Application
Anti-Vibration Sound Insulator for Suspended Ceiling
- Publication number 20070294972
- Publication date Dec 27, 2007
- Soprema Inc.
- Robert Ducharme
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Multi-composite acoustic panel
- Publication number 20070137927
- Publication date Jun 21, 2007
- Robert Ducharme
- E04 - BUILDING