Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993439 | Lens shield for laser skin perforation | David J. Costello, Michael A. Wolf, Kenneth G. Schalhoub, Ronald K. Lohrding, Aleksei Y. Dergatchev +2 more | 1999-11-30 |
| 5908416 | Laser dermal perforator | David J. Costello, Sergey A. Kokhanovsky, Aleksei Y. Dergatchev, Warren E. Parkhurst | 1999-06-01 |
| 5554153 | Laser skin perforator | David J. Costello, Aleksei Y. Dergatchev, Warren E. Parkhurst, Sergey A. Kokhanovsky | 1996-09-10 |
| 5432811 | Laser rod with polyhedron shaped ends | Sergey A. Kokhanovsky, Evgeny A. Federov, deceased | 1995-07-11 |