Granted Patent
Utility
US 4,683,021 · App. 06/794,883
Tire building drum
Inventors:
Joseph F. Stalter, Jr., Gilbert Feller
Patented Case
View Patent ↗
Granted: Jul 28, 1987
Filed: Nov 4, 1985
Inventors
Joseph F. Stalter, Jr.
Gilbert Feller
Assignee (at issue)
THE GOODYEAR 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.