Granted Patent
Utility
US 5,792,549 · App. 08/655,542
Biaxially oriented polypropylene cold seal release films
Inventor:
Andrew F. Wilkie
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: May 30, 1996
Inventor
Andrew F. Wilkie
Assignee (at issue)
AEP Industries 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.