Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993439 | Lens shield for laser skin perforation | David J. Costello, Michael A. Wolf, Kenneth G. Schalhoub, Ronald K. Lohrding, Warren E. Parkhurst +2 more | 1999-11-30 |
| 5908416 | Laser dermal perforator | David J. Costello, Valeri G. Polushkin, Sergey A. Kokhanovsky, Warren E. Parkhurst | 1999-06-01 |
| 5554153 | Laser skin perforator | David J. Costello, Warren E. Parkhurst, Valeri G. Polushkin, Sergey A. Kokhanovsky | 1996-09-10 |