Granted Patent
Utility
US 6,476,320 · App. 09/470,190
Indicating instrument
Inventors:
Thomas Ritter, Manfred Zeiss, Harald Ehmes
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Dec 22, 1999
Inventors
Thomas Ritter
Manfred Zeiss
Harald Ehmes
Assignee (at issue)
Mannesmann VDO AG
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.