Stefane Erhard Barbeau

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Digital sound relaxation system
- Patent number D399320
- Issue date Oct 6, 1998
- Headwaters Research & Development, Inc.
- Stefane Erhard Barbeau
- D24 - Medical and laboratory equipment
Information Patent Grant
Digital sound relaxation system
- Patent number D396855
- Issue date Aug 11, 1998
- Headwaters Research & Development Inc.
- Stefane Erhard Barbeau
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Collectable sound card having digitally prerecorded natural and/or...
- Patent number D393459
- Issue date Apr 14, 1998
- Headwaters Research & Development, Inc.
- Stefane Erhard Barbeau
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Audio system playing preselected sounds of nature
- Patent number D378212
- Issue date Feb 25, 1997
- Headwaters Research & Development Inc.
- Michael G. Sirois
- D14 - Recording, communication, or information retrieval equipment