Granted Patent
Utility
US 6,158,673 · App. 09/347,694
Portable unit wall unit dispensers and method of dispensing
Inventors:
Mark Toetschinger, Mary M. Dawson, Daniel E. Pedersen
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Jul 2, 1999
Inventors
Mark Toetschinger
Mary M. Dawson
Daniel E. Pedersen
Assignee (at issue)
ECOLAB INC.
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.