Granted Patent
Utility
US 4,875,717 · App. 07/015,825
End connectors for filament wound tubes
Inventor:
Frederick J. Policelli
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Feb 17, 1987
Inventor
Frederick J. Policelli
Assignee (at issue)
HERCULES LLC
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.