Granted Patent
Utility
US 6,500,514 · App. 09/650,385
Encapsulated barrier for flexible films and a method of making the same
Inventors:
Robert J. Blemberg, Gregory L. Petkovsek, Chad Perre
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Aug 29, 2000
Inventors
Robert J. Blemberg
Gregory L. Petkovsek
Chad Perre
Assignee (at issue)
Pechiney Emballage Flexible Europe
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.