Granted Patent
Utility
US 4,578,362 · App. 06/718,318
Precious metal vaporization reduction
Inventor:
Gary B. Schuster
Patented Case
View Patent ↗
Granted: Mar 25, 1986
Filed: Apr 1, 1985
Inventor
Gary B. Schuster
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.