Granted Patent
Utility
US 4,965,310 · App. 06/758,774
Wear resistant poly (aryl ether ketone) polyimide blends
Inventors:
James E. Harris, John P. Gavula
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Jul 25, 1985
Inventors
James E. Harris
John P. Gavula
Assignee (at issue)
Amoco 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.