Granted Patent
Utility
US 6,206,431 · App. 09/343,136
Safety locking coupling assembly
Inventor:
David G. Street
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Jun 29, 1999
Inventor
David G. Street
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.