Granted Patent
Utility
US 5,439,717 · App. 08/142,744
Shrunken bag made from biaxially stretched, VLDPE film
Inventors:
Stanley Lustig, Nancy M. Mack, Jeffrey M. Schuetz, Stephen J. Vicik
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: Oct 25, 1993
Inventors
Stanley Lustig
Nancy M. Mack
Jeffrey M. Schuetz
Stephen J. Vicik
Assignee (at issue)
Viskase Companies, 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.