Granted Patent
Utility
US 6,797,358 · App. 10/182,294
Unilaterally mat, sealable, UV-stabilized, flame resistant, co-extruded, biaxially oriented polyester film, method for the production and the use thereof
Inventors:
Ursula Murschall, Ulrich Kern, Guenther Crass, Herbert Peiffer, Hans Mahl
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Jul 26, 2002
Inventors
Ursula Murschall
Ulrich Kern
Guenther Crass
Herbert Peiffer
Hans Mahl
Assignee (at issue)
Mitsubishi Polyester Film GmbH
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.