Granted Patent
Utility
US 6,002,573 · App. 09/006,773
Self-balancing shielded bipolar ionizer
Inventor:
Leslie W. Partridge
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Jan 14, 1998
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.