Granted Patent
Utility
US 5,930,105 · App. 08/966,638
Method and apparatus for air ionization
Inventors:
Ira J. Pitel, Mark Blitshteyn, Petr Gefter
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Nov 10, 1997
Inventors
Ira J. Pitel
Mark Blitshteyn
Petr Gefter
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.