Granted Patent
Utility
US 4,320,045 · App. 06/252,747
Polyester-based molding compositions
Inventor:
Gwilym E. Owen, Jr.
Patented Case
View Patent ↗
Granted: Mar 16, 1982
Filed: Apr 10, 1981
Inventor
Gwilym E. Owen, Jr.
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.