Granted Patent
Utility
US 4,577,909 · App. 06/463,069
Wheel cover center retention system
Inventor:
James E. Browning
Patented Case
View Patent ↗
Granted: Mar 25, 1986
Filed: Feb 2, 1983
Inventor
James E. Browning
Assignee (at issue)
International Telephone and Telegraph Corporation
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.