Granted Patent
Utility
US 5,523,118 · App. 08/312,708
Method of coating microporous membranes
Inventor:
Gregory D. Williams
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Sep 27, 1994
Inventor
Gregory D. Williams
Assignee (at issue)
Rexam Industries 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.