Granted Patent
Utility
US 5,885,703 · App. 08/699,669
Biaxially oriented polypropylene aroma barrier film
Inventor:
Andrew F. Wilkie
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Aug 19, 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.