Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355946 | Teardrop-shaped heat exchange tube and its process of manufacture | William Wei | 1994-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355946 | Teardrop-shaped heat exchange tube and its process of manufacture | William Wei | 1994-10-18 |