Granted Patent
Utility
US 5,813,087 · App. 08/635,557
Spray nozzle for use with water extraction cleaning machine
Inventor:
Eric C. Huffman
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Apr 22, 1996
Inventor
Eric C. Huffman
Assignee (at issue)
BISSELL 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.