Granted Patent
Utility
US 6,293,871 · App. 09/612,012
Torsionally flexible coupling
Inventor:
Matthias Geislinger
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Jul 7, 2000
Inventor
Matthias Geislinger
Assignee (at issue)
Ellergon Antriebstechnik
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.