Granted Patent
Utility
US 4,898,770 · App. 07/035,523
Process for producing preformable continuous strand mats using a mixture of thermosetting and thermoplastic resin
Inventor:
Sidney G. Dunbar
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Apr 7, 1987
Inventor
Sidney G. Dunbar
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.