Rodger H. Rosenbaum

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vibrating toothbrush using a magnetic driver
- Patent number 5,263,218
- Issue date Nov 23, 1993
- GEMtech
- David Giuliani
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Vibrating toothbrush using a magnetic driver
- Patent number 5,189,751
- Issue date Mar 2, 1993
- Gemtech, Inc.
- David Giuliani
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE