Granted Patent
Utility
US 4,239,663 · App. 05/965,451
Method, composition and product with improved adhesion between a metal member and a contiguous rubber skim stock
Inventors:
Frederick J. Ravagnani, Steven E. Schonfeld
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Nov 30, 1978
Inventors
Frederick J. Ravagnani
Steven E. Schonfeld
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.