Granted Patent
Utility
US 4,249,979 · App. 06/036,625
Ply folding bladder
Inventor:
George J. Burley
Patented Case
View Patent ↗
Granted: Feb 10, 1981
Filed: May 7, 1979
Inventor
George J. Burley
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.