Granted Patent
Utility
US 4,312,193 · App. 06/092,115
Torque transfer device for flexible shaft couplings
Inventors:
Ralph H. Gibbs, Robert E. Stuemky
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Nov 7, 1979
Inventors
Ralph H. Gibbs
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.