George A. Barrett

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Shoreline, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Oral hygiene devices
- Patent number 7,448,109
- Issue date Nov 11, 2008
- Ultreo, Inc.
- Gerald K. Brewer
- A46 - BRUSHWARE
Information Patent Grant
Ultrasonic toothbrushes employing an acoustic waveguide
- Patent number 7,269,873
- Issue date Sep 18, 2007
- Ultreo, Inc.
- Gerald K. Brewer
- A46 - BRUSHWARE

Patents Applicationslast 30 patents

Information Patent Application
TOOTHBRUSH EMPLOYING ACOUSTIC WAVEGUIDE
- Publication number 20110159461
- Publication date Jun 30, 2011
- Washington, University of
- Pierre D. Mourad
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Oral hygiene devices
- Publication number 20080209650
- Publication date Sep 4, 2008
- ULTREO, INC.
- Gerald K. Brewer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ULTRASONIC TOOTHBRUSHES EMPLOYING AN ACOUSTIC WAVEGUIDE
- Publication number 20070157404
- Publication date Jul 12, 2007
- ULTREO, INC.
- Gerald K. Brewer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ULTRASONIC TOOTHBRUSHES EMPLOYING AN ACOUSTIC WAVEGUIDE
- Publication number 20070079455
- Publication date Apr 12, 2007
- ULTREO, INC.
- Gerald K. Brewer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Oral hygiene devices employing an acoustic waveguide
- Publication number 20070011836
- Publication date Jan 18, 2007
- Second Act Partners, Inc.
- Gerald K. Brewer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Toothbrush employing acoustic waveguide
- Publication number 20060191086
- Publication date Aug 31, 2006
- Pierre D. Mourad
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE