Granted Patent
Utility
US 5,732,433 · App. 08/507,372
Electric toothbrush
Inventors:
Wolfgang Gocking, Georges Driesen, Michael Drossler
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Aug 22, 1995
Inventors
Wolfgang Gocking
Georges Driesen
Michael Drossler
Assignee (at issue)
The Braun Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.