Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5838716 | Leak check procedure for a dry oxidation furnace tube | Hui-Hua Chang, Yu-Jen Yu | 1998-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5838716 | Leak check procedure for a dry oxidation furnace tube | Hui-Hua Chang, Yu-Jen Yu | 1998-11-17 |