Granted Patent
Utility
US 6,551,553 · App. 09/402,410
Disinfection method
Inventors:
Friedrich Von Rheinbaben, Klaus-Peter Bansemir, Holger Biering
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Oct 4, 1999
Inventors
Friedrich Von Rheinbaben
Klaus-Peter Bansemir
Holger Biering
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.