Granted Patent
Utility
US 4,745,145 · App. 06/532,078
Rubber compositions and articles thereof having improved metal adhesion and metal adhesion retention
Inventors:
Steven E. Schonfeld, Frederick J. Ravagnani, Adel Farhan Halasa
Patented Case
View Patent ↗
Granted: May 17, 1988
Filed: Sep 14, 1983
Inventors
Steven E. Schonfeld
Frederick J. Ravagnani
Adel Farhan Halasa
Assignee (at issue)
The Firestone 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.