Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7264629 | Photodynamic therapy for the treatment of hair loss | Guillermo O. Simkin, Anna M. Richter, David W. C. Hunt, John North, Ronald Erwin Boch +1 more | 2007-09-04 |
| 7090691 | Photodynamic therapy for the treatment of hair loss | Guillermo O. Simkin, Anna M. Richter, David W. C. Hunt, John North, Ronald Erwin Boch | 2006-08-15 |