Granted Patent
Utility
US 4,922,608 · App. 07/205,310
Shaving apparatus with a pivoted shearing head system
Inventor:
Dietrich Pahl
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jun 10, 1988
Inventor
Dietrich Pahl
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.