Granted Patent
Utility
US 4,881,479 · App. 07/210,149
Method of transversely subdividing an elongated flexible web
Inventor:
Johannes Freermann
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Jun 17, 1988
Inventor
Johannes Freermann
Assignee (at issue)
Carl Schmale GmbH & Co.
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.