Granted Patent
Utility
US 4,685,202 · App. 06/818,217
Method of forming a coupling disc for an electromagnetic coupling
Inventors:
Dwight E. Booth, Michael Cory
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Jan 13, 1986
Inventors
Dwight E. Booth
Michael Cory
Assignee (at issue)
DANA LIMITED
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.