Granted Patent
Utility
US 6,105,203 · App. 09/282,775
Floor cleaning machine
Inventors:
Karl Hueppi, Josef Waldispuehl, Dieter Windmeisser
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Mar 31, 1999
Inventors
Karl Hueppi
Josef Waldispuehl
Dieter Windmeisser
Assignee (at issue)
Diversey Lever, 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.