Granted Patent
Utility
US 4,854,612 · App. 07/280,361
Tire building drum shaft connection
Inventors:
Robert Cubric, John Kolbjoern Roedseth
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Dec 6, 1988
Inventors
Robert Cubric
John Kolbjoern Roedseth
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.