Granted Patent
Utility
US 4,009,735 · App. 05/511,392
Thermal insulation
Inventor:
Gordon P. Pinsky
Patented Case
View Patent ↗
Granted: Mar 1, 1977
Filed: Oct 2, 1974
Inventor
Gordon P. Pinsky
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.