Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630128 | Porphyrin derivatives their use in photodynamic therapy and medical devices containing them | William Love, David Andrew Russell | 2003-10-07 |
| 6096734 | Photosensitizers for sensitizing cells | David Andrew Russell | 2000-08-01 |
| 5855467 | Pivot locking device | David M. Clonch, Fred D. Boyd | 1999-01-05 |
| 5834455 | Photosensitizers for sensitizing cells | David Andrew Russell | 1998-11-10 |
| 5664932 | Pivoted lifting device | David M. Clonch, Freddy D. Boyd | 1997-09-09 |
| 5638879 | Externally changeable flail apparatus | Milan W. Robison | 1997-06-17 |