Granted Patent
Utility
US 4,886,535 · App. 06/634,198
Feeder for glass fibers and method of producing
Inventor:
Mohinder Singh Bhatti
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Jul 27, 1984
Inventor
Mohinder Singh Bhatti
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.