Granted Patent
Utility
US 4,553,364 · App. 06/672,851
Window sash and frame molded of fibrous material
Inventors:
Wesley E. Legg, Russell L. Ault, Richard A. Mott, Alan R. Leewood
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Nov 19, 1984
Inventors
Wesley E. Legg
Russell L. Ault
Richard A. Mott
Alan R. Leewood
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.