Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769633 | 360-degree sprinkler head | — | 2004-08-03 |
| 6674639 | Protective cover with ternary structure | Shih-Chieh Wang, James Tseng, Hsi-Hsing Hsu, Chu-Yang Hsu, Yen-Te Chiang | 2004-01-06 |