Granted Patent
Utility
US 6,506,232 · App. 09/805,751
Air ionization apparatus and method for efficient generation and cleaning
Inventor:
John Edgar Menear
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Mar 13, 2001
Inventor
John Edgar Menear
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.