Granted Patent
Utility
US 4,392,879 · App. 06/413,920
Method of forming glass fibers while monitoring a process condition in a spinner
Inventors:
Kunthiko Takeuchi, James S. Belt
Patented Case
View Patent ↗
Granted: Jul 12, 1983
Filed: Sep 1, 1982
Inventors
Kunthiko Takeuchi
James S. Belt
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.