Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8099817 | Wafer edge cleaning | Joseph Yudovsky, Leon Volfovski | 2012-01-24 |
| 7900311 | Wafer edge cleaning | Joseph Yudovsky, Leon Volfovski | 2011-03-08 |
| 7779527 | Methods and apparatus for installing a scrubber brush on a mandrel | Joseph Yudovsky, Tai T. Ngo, Leon Volfovski | 2010-08-24 |