Granted Patent
Utility
US 4,673,428 · App. 06/809,998
Method and apparatus for forming glass fibers
Inventors:
Neil E. Greene, Lawrence J. Grubka, Randall E. Nyhart
Patented Case
View Patent ↗
Granted: Jun 16, 1987
Filed: Dec 17, 1985
Inventors
Neil E. Greene
Lawrence J. Grubka
Randall E. Nyhart
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.