Granted Patent
Utility
US 4,379,713 · App. 06/331,446
Method and apparatus for forming glass fibers
Inventor:
Arnold J. Eisenberg
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Dec 16, 1981
Inventor
Arnold J. Eisenberg
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.