Granted Patent
Utility
US 5,586,358 · App. 08/290,429
Hand carriable vacuum cleaner with accessory attachment
Inventors:
Jack Wolfe, Roy C. C. Ping
Patented Case
View Patent ↗
Granted: Dec 24, 1996
Filed: Aug 15, 1994
Inventors
Jack Wolfe
Roy C. C. Ping
Assignees (at issue)
BISSELL Inc.
TTI CO., LTD.
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.