Granted Patent
Utility
US 5,009,941 · App. 07/269,029
Tube or pipe formed a thermoplastic powder impregnated fiberglass roving
Inventors:
Jean-Claude Pollet, Gary Williams, Gordon P. Armstrong, David G. Miller
Patented Case
View Patent ↗
Granted: Apr 23, 1991
Filed: Nov 9, 1988
Inventors
Jean-Claude Pollet
Gary Williams
Gordon P. Armstrong
David G. Miller
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.