Granted Patent
Utility
US 4,693,281 · App. 06/778,696
Variable modulus filament wound pressure tube
Inventor:
Richard L. Creedon
Patented Case
View Patent ↗
Granted: Sep 15, 1987
Filed: Sep 23, 1985
Inventor
Richard L. Creedon
Assignee (at issue)
GA Technologies, Inc.
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.