Granted Patent
Utility
US 5,637,366 · App. 08/483,687
Polyester-containing biaxially-oriented polypropylene films and method of making the same
Inventors:
Alan M. Davis, John Lawrence, Deepak H. Mehta
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Jun 7, 1995
Inventors
Alan M. Davis
John Lawrence
Deepak H. Mehta
Assignee (at issue)
QPF, Inc. (Delaware 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.