Granted Patent
Utility
US 5,195,625 · App. 07/889,898
Torque cushion for electromagnetic clutch
Inventors:
Roy Y. Chang, Robert L. Swadner
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: May 29, 1992
Inventors
Roy Y. Chang
Robert L. Swadner
Assignee (at issue)
General Motors LLC
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.