Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659431 | Fluid treatment system and cleaning apparatus therefor | Yuri Lawryshyn, Jan M. Maarschalkerweerd, Douglas Penhale | 2003-12-09 |
| 6518577 | Optical radiation sensor system with cleaning device | John R. Houghton, Yuri Lawryshyn, Joseph Lem, Michael Sasges, Alex Verdun | 2003-02-11 |