Granted Patent
Utility
US 6,693,788 · App. 09/853,081
Air ionizer with static balance control
Inventor:
Leslie W. Partridge
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: May 9, 2001
Inventor
Leslie W. Partridge
Assignee (at issue)
Ion Systems, 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.