Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827719 | Polyaxial pedicle screw having a rotating locking element | James D. Ralph | 2004-12-07 |
| 6805716 | Orthopedic device set for reorienting vertebral bones for the treatment of scoliosis | James D. Ralph, Thomas J. Errico | 2004-10-19 |
| 6758861 | Intervertebral spacer device having a wave washer force restoring element | James D. Ralph, Joseph P. Errico | 2004-07-06 |
| 6740119 | Method of distracting vertebral bones | James D. Ralph, Thomas J. Errico | 2004-05-25 |
| 6740117 | Intervertebral spacer device having a radially thinning slotted belleville spring | James D. Ralph | 2004-05-25 |
| 6723127 | Artificial intervertebral disc having a wave washer force restoring element | James D. Ralph, Joseph P. Errico | 2004-04-20 |
| 6689134 | Longitudinal plate assembly having an adjustable length | James D. Ralph | 2004-02-10 |
| 6673113 | Intervertebral spacer device having arch shaped spring elements | James D. Ralph, Joseph P. Errico | 2004-01-06 |