Granted Patent
Utility
US 4,553,994 · App. 06/597,578
Method for forming glass fibers
Inventors:
Neil E. Greene, Terry Joe Hanna
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Apr 9, 1984
Inventors
Neil E. Greene
Terry Joe Hanna
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.