Granted Patent
Utility
US 6,167,586 · App. 09/072,446
Upright water extraction cleaning machine with improved tank structure
Inventors:
Charles A. Reed, Jr., Timothy E. Kasen, Luke E. Kelly, Gary L. Smith, Eric R. Metzger
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: May 4, 1998
Inventors
Charles A. Reed, Jr.
Timothy E. Kasen
Luke E. Kelly
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.