Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221029 | Universal biopsy system | John M. Mathis, Stephen M. Belkoff, Charles J. Phillips, Marshall D. Welch, III | 2001-04-24 |
| 6048343 | Bone screw system | John M. Mathis, Stephen M. Belkoff, Charles J. Phillips, Marshall D. Welch, III | 2000-04-11 |