Granted Patent
Utility
US 6,551,653 · App. 08/733,391
Metalized polyolefin film
Inventors:
Wilfried Hatke, Karl-Heinz Kochem, Theo Grosse Kreul
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Oct 18, 1996
Inventors
Wilfried Hatke
Karl-Heinz Kochem
Theo Grosse Kreul
Assignee (at issue)
Ticona LLC
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.