Granted Patent
Utility
US 5,151,145 · App. 07/456,589
Liner/mandrel for filament wound vessels
Inventor:
Alvin R. Cederberg
Patented Case
View Patent ↗
Granted: Sep 29, 1992
Filed: Jan 2, 1990
Inventor
Alvin R. Cederberg
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.