Granted Patent
Utility
US 5,314,746 · App. 07/975,485
Soft, puncture- and tear-resistant polyolefin films
Inventors:
Lisa K. Johnson, Paul E. Bowen, Thaddeus W. Klimek, Michael Bruce Edwards
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Nov 12, 1992
Inventors
Lisa K. Johnson
Paul E. Bowen
Thaddeus W. Klimek
Michael Bruce Edwards
Assignee (at issue)
Quantum Chemical Corporation
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.