Granted Patent
Utility
US 4,968,372 · App. 07/392,291
Method of producing a flexible carrier substrate
Inventor:
Heinz Maass
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Aug 11, 1989
Inventor
Heinz Maass
Assignee (at issue)
Licentia Patent-Verwaltungs-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.