Granted Patent
Utility
US 6,709,759 · App. 10/117,941
Thermoplastic film structures having improved barrier and mechanical properties
Inventors:
Chad Mueller, Roger Kaas, Bertrand Fillon, Sandrine Tournier, Jean-Jacques Lerda
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Apr 8, 2002
Inventors
Chad Mueller
Roger Kaas
Bertrand Fillon
Sandrine Tournier
Jean-Jacques Lerda
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.