Granted Patent
Utility
US 4,976,804 · App. 07/347,584
Expandable tire building drum
Inventor:
Fernand Kneip
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: May 5, 1989
Inventor
Fernand Kneip
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.