Granted Patent
Utility
US 5,397,640 · App. 08/189,370
Biaxially oriented heat-shrinkable film
Inventors:
Paul N. Georgelos, James E. Pelkie, Darrel L. Wilhoit
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Jan 31, 1994
Inventors
Paul N. Georgelos
James E. Pelkie
Darrel L. Wilhoit
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.