Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668688 | Expandable screw apparatus and method thereof | Chunfeng Zhao, Bradford L. Currier, Kai-Nan An, Fredrick Schultz | 2003-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668688 | Expandable screw apparatus and method thereof | Chunfeng Zhao, Bradford L. Currier, Kai-Nan An, Fredrick Schultz | 2003-12-30 |