Granted Patent
Utility
US 6,100,489 · App. 09/290,388
Consumable switching arrangement
Inventors:
Lukas Zehnder, Robert Anderes, Christian Dahler, Kurt Kaltenegger, Thomas Schoenemann, Klaus-Dieter Weltmann
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Apr 13, 1999
Inventors
Lukas Zehnder
Robert Anderes
Christian Dahler
Kurt Kaltenegger
Thomas Schoenemann
Klaus-Dieter Weltmann
Assignee (at issue)
Asea Brown Boveri, S.A.
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.