Granted Patent
Utility
US 5,974,613 · App. 08/837,905
Brush section for an electric toothbrush
Inventor:
Karl Herzog
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Apr 22, 1997
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.