Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702481 | Bone marrow cavity fixation device for treating a fractured bone | — | 1997-12-30 |
| 5702391 | Intervertebral fusion device | — | 1997-12-30 |
| 5681310 | Vertebral auxiliary fixation device having holding capability | Hansen Yuan | 1997-10-28 |
| 5676701 | Low wear artificial spinal disc | Hansen Yuan, James A. Davidson, Laura C. Small, Thomas A. Carls | 1997-10-14 |
| 5644501 | Method of using a computer to collect chemical signals directly | Shengfu Lin | 1997-07-01 |
| 5616142 | Vertebral auxiliary fixation device | Hansen Yuan | 1997-04-01 |
| 5613968 | Universal pad fixation device for orthopedic surgery | — | 1997-03-25 |