Granted Patent
Utility
US 6,780,254 · App. 09/980,977
Method and facility for lubricating and cleaning filling facilities for beverages or foodstuffs
Inventors:
Karl-Heinz Schmitz, Harald Kluschanzoff, Thomas Wershofen
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Feb 19, 2002
Inventors
Karl-Heinz Schmitz
Harald Kluschanzoff
Thomas Wershofen
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.