Granted Patent
Utility
US 6,127,043 · App. 09/142,975
Multilayered sheet, process for the production thereof and use thereof
Inventor:
Winfried Lange
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Nov 20, 1998
Inventor
Winfried Lange
Assignee (at issue)
Sengewald Verpackungen 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.