Granted Patent
Utility
US 6,526,622 · App. 10/133,581
Vacuum cleaner actuated by reconfiguration of the vacuum cleaner
Inventor:
Wayne Ernest Conrad
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Apr 29, 2002
Inventor
Wayne Ernest Conrad
Assignee (at issue)
Fantom Technologies 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.