Granted Patent
Utility
US 6,702,681 · App. 10/261,607
Torsionally flexible coupling
Inventor:
Winfried Ochs
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Sep 30, 2002
Inventor
Winfried Ochs
Assignee (at issue)
CARL FREUDENBERG KG
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.