Granted Patent
Utility
US 6,189,215 · App. 09/125,497
Method for data transmission between a shaving apparatus and a cleaning device
Inventors:
Frank Beerwerth, Wolfgang Brey, Norbert Geister
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Aug 19, 1998
Inventors
Frank Beerwerth
Wolfgang Brey
Norbert Geister
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.