Granted Patent
Utility
US 6,568,570 · App. 09/508,338
Packaging for a paste product
Inventors:
Guenther Amberg, Bernd Schenk
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jul 12, 2000
Inventors
Guenther Amberg
Bernd Schenk
Assignee (at issue)
Ecolab GmbH & Co. OHG
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.