IP Library Granted Patent US 5,189,751
Granted Patent Utility
US 5,189,751 · App. 07/672,844

Vibrating toothbrush using a magnetic driver

Inventors: David Giuliani, Roy W. Martin, Rodger H. Rosenbaum
Patented Case View Patent ↗
Granted: Mar 2, 1993 Filed: Mar 21, 1991
Inventors
David Giuliani
Roy W. Martin
Rodger H. Rosenbaum
Assignee (at issue)
Gemtech

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Quick Facts
Patent No.
US 5,189,751
App. No.
07/672,844
Filed
1991-03-21
Granted
1993-03-02
Kind
A