Granted Patent
Utility
US 5,029,772 · App. 07/359,238
Filament payout apparatus
Inventor:
Gary R. Redford
Patented Case
View Patent ↗
Granted: Jul 9, 1991
Filed: May 31, 1989
Inventor
Gary R. Redford
Assignee (at issue)
Hughes Aircraft 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.