Granted Patent
Utility
US 5,753,161 · App. 08/696,472
Vacuum extrusion system and method
Inventors:
Rodger D. Lightle, Robert L. Sadinski, Robert M. Lincoln
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Aug 14, 1996
Inventors
Rodger D. Lightle
Robert L. Sadinski
Robert M. Lincoln
Assignee (at issue)
Owens-Corning Fiberglas Technology, Inc.
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.