Granted Patent
Utility
US 5,007,168 · App. 07/453,718
Electric dry shaving apparatus with a movable shaving head arrangement
Inventors:
Werner Messinger, Karl Trolltsch, Bernd Tewes
Patented Case
View Patent ↗
Granted: Apr 16, 1991
Filed: Dec 20, 1989
Inventors
Werner Messinger
Karl Trolltsch
Bernd Tewes
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.