Granted Patent
Utility
US 5,482,780 · App. 08/247,830
Polypropylene film with cold seal release and cold seal receptive surfaces
Inventors:
Andrew F. Wilkie, Michael D. Butler
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: May 23, 1994
Inventors
Andrew F. Wilkie
Michael D. Butler
Assignee (at issue)
Borden 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.