Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841967 | Positioning device for percutaneous needle insertion | Ming Z. Chang, Chuen Y. Yeh | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841967 | Positioning device for percutaneous needle insertion | Ming Z. Chang, Chuen Y. Yeh | 1989-06-27 |