Granted Patent
Utility
US 4,713,409 · App. 06/853,250
Vulcanizable polymeric compositions containing a zinc dimethacrylate adjuvant and method for preparing the adjuvant
Inventors:
Robert A. Hayes, Wendell R. Conard
Patented Case
View Patent ↗
Granted: Dec 15, 1987
Filed: Apr 17, 1986
Inventors
Robert A. Hayes
Wendell R. Conard
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.