Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669731 | Intervertebral spacer device having a slotted domed arch strip spring | James D. Ralph, Stephen Tatar | 2003-12-30 |
| 6645249 | Intervertebral spacer device having a multi-pronged domed spring | James D. Ralph, Stephen Tatar | 2003-11-11 |
| 6610092 | Intervertebral spacer device having a slotted partial circular domed arch strip spring | James D. Ralph, Stephen Tatar | 2003-08-26 |
| 6558387 | Porous interbody fusion device having integrated polyaxial locking interference screws | Thomas J. Errico, James D. Ralph | 2003-05-06 |
| 6546293 | Hook-shaped spinal cord electrode assembly having a telescoping electrode | Thomas J. Errico, TIMOTHY JOHN BORTREE | 2003-04-08 |
| 6527806 | Intervertebral spacer device having a spiral wave washer force restoring element | James D. Ralph, Steven Tatar | 2003-03-04 |