Granted Patent
Utility
US 4,285,756 · App. 06/166,633
Adhesion of polyamide or polyester cords to EPDM rubber
Inventor:
Otto C. Elmer
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Jul 7, 1980
Inventor
Otto C. Elmer
Assignee (at issue)
The General Tire & Rubber Company
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.