Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623485 | Split ring bone screw for a spinal fixation system | John E. Hammill, Sr. | 2003-09-23 |
| 6551323 | Method of making a bonescrew | John E. Hammill, Sr., Jeffrey I. Lasner | 2003-04-22 |