Granted Patent
Utility
US 5,125,255 · App. 07/721,972
Method of making an electromagnetic coupling disc
Inventors:
Joseph Harrington Matanane Brown, Lowell S. Burruss
Patented Case
View Patent ↗
Granted: Jun 30, 1992
Filed: Jun 27, 1991
Inventors
Joseph Harrington Matanane Brown
Lowell S. Burruss
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.