Granted Patent
Utility
US 4,683,095 · App. 06/732,196
Early progressive junction extrusion process and system
Inventors:
Eric O. Tolonen, Clifford J. Tubbe, George G. Giesbrecht, John A. Wiens
Patented Case
View Patent ↗
Granted: Jul 28, 1987
Filed: May 8, 1985
Inventors
Eric O. Tolonen
Clifford J. Tubbe
George G. Giesbrecht
John A. Wiens
Assignee (at issue)
The Uniroyal Goodrich Tire 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.