Granted Patent
Utility
US 6,334,233 · App. 09/475,935
Vacuum cleaner with snap-fit handle and torque-reducing support
Inventors:
Kenneth L. Roberts, Gary L. Steinberg
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: Dec 30, 1999
Inventors
Kenneth L. Roberts
Gary L. Steinberg
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.