Granted Patent
Utility
US 4,237,685 · App. 06/025,156
Apparatus for producing a yarn
Inventors:
Gregory A. Pelagio, Wiley B. Holland
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Mar 29, 1979
Inventors
Gregory A. Pelagio
Wiley B. Holland
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.