Granted Patent
Utility
US 4,976,800 · App. 07/348,045
Method of bonding friction material to plated substrates
Inventor:
Keith Edwards
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: May 5, 1989
Inventor
Keith Edwards
Assignee (at issue)
Abex Corporation
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.