Granted Patent
Utility
US 6,497,965 · App. 08/947,869
Slip agents and polypropylene films prepared therefrom
Inventors:
Kenneth Longmoore, Edward K. Bullock
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Oct 9, 1997
Inventors
Kenneth Longmoore
Edward K. Bullock
Assignee (at issue)
Applied Extrusion Technologies, 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.