Granted Patent
Utility
US 5,918,447 · App. 08/945,072
Device for making portion packs of a dividable filling in a flexible tubular container
Inventors:
Jürgen Hanten, Gunter Vermehren
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Mar 17, 1998
Inventors
Jürgen Hanten
Gunter Vermehren
Assignee (at issue)
Poly-clip System GmbH & Co. KG
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.