Granted Patent
Utility
US 4,618,519 · App. 06/718,666
"Tire repair by ""patch only"" method"
Inventors:
Russell W. Koch, Douglas D. Snyder
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Apr 1, 1985
Inventors
Russell W. Koch
Douglas D. Snyder
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.