Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7408759 | Self-cleaning ionization system | Peter Gefter, Scott Gehlke | 2008-08-05 |
| 7295418 | Collimated ionizer and method | Dennis A. Leri, Peter Gefter | 2007-11-13 |
| 7042694 | Self-balancing shielded bipolar ionizer with air assist | Aleksey Klochkov | 2006-05-09 |
| 6807044 | Corona discharge apparatus and method of manufacture | Scott Gehlke, Peter Gefter, Dennis A. Leri | 2004-10-19 |