Granted Patent
Utility
US 6,041,472 · App. 09/009,155
Upright water extraction cleaning machine
Inventors:
Timothy E. Kasen, Luke E. Kelly, Charles A. Reed, Jr., Gary L. Smith, Eric R. Metzger
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Jan 20, 1998
Inventors
Timothy E. Kasen
Luke E. Kelly
Charles A. Reed, Jr.
Gary L. Smith
Eric R. Metzger
Assignee (at issue)
BISSELL Homecare, 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.