Granted Patent
Utility
US 5,504,958 · App. 08/347,906
Electric toothbrush
Inventor:
Karl Herzog
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Dec 1, 1994
Inventor
Karl Herzog
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.