Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5423816 | Intervertebral locking device | — | 1995-06-13 |
| 5403313 | External fixation device for fractured bone | — | 1995-04-04 |
| 5387212 | Vertebral locking and retrieving system with central locking rod | Hansen Yuan | 1995-02-07 |
| 5380326 | Clamping device for vertebral locking rod | — | 1995-01-10 |
| 5376126 | Artificial acetabular joint replacing device | — | 1994-12-27 |
| 5360430 | Intervertebral locking device | — | 1994-11-01 |
| 5352226 | Side locking system rotatable in all directions for use in spinal surgery | — | 1994-10-04 |
| 5352225 | Dual-tier spinal clamp locking and retrieving system | Hansen Yuan | 1994-10-04 |
| 5342361 | Dual tier spinal locking and retrieving system and instrumentation for administering such system percutaneously | Hansen Yuan | 1994-08-30 |
| 5330474 | Vertebral locking and retrieving system | — | 1994-07-19 |
| 5257994 | Vertebral locking and retrieving system | — | 1993-11-02 |
| 5196014 | Vertebral locking and retrieving system | — | 1993-03-23 |
| 5176679 | Vertebral locking and retrieving system | — | 1993-01-05 |