Granted Patent
Utility
US 4,364,762 · App. 06/308,227
Mineral fiber forming
Inventors:
Timothy A. Sullivan, James Whitfield, Jr.
Patented Case
View Patent ↗
Granted: Dec 21, 1982
Filed: Oct 5, 1981
Inventors
Timothy A. Sullivan
James Whitfield, 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.