Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5908416 | Laser dermal perforator | David J. Costello, Valeri G. Polushkin, Aleksei Y. Dergatchev, Warren E. Parkhurst | 1999-06-01 |
| 5554153 | Laser skin perforator | David J. Costello, Aleksei Y. Dergatchev, Warren E. Parkhurst, Valeri G. Polushkin | 1996-09-10 |
| 5432811 | Laser rod with polyhedron shaped ends | Valeri G. Polushkin, Evgeny A. Federov, deceased | 1995-07-11 |