Granted Patent
Utility
US 4,280,339 · App. 06/034,069
Torque transfer device for flexible shaft couplings
Inventor:
Robert E. Stuemky
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Apr 27, 1979
Inventor
Robert E. Stuemky
Assignee (at issue)
The Gates Rubber Company
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.