Granted Patent
Utility
US 6,125,498 · App. 09/206,023
Handheld extraction cleaner
Inventors:
Kenneth L. Roberts, Diane M. Simek, Jeffrey A. Hall, Eric C. Huffman, Charles A. Reed, Jr., Steven K. Meek, Lau Wai Keung, Ng Tat Shing
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Dec 4, 1998
Inventors
Kenneth L. Roberts
Diane M. Simek
Jeffrey A. Hall
Eric C. Huffman
Charles A. Reed, Jr.
Steven K. Meek
Lau Wai Keung
Ng Tat Shing
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.