Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390455 | Bubble generating device having a float connected thereto | Sen-Yung Lee, Sheng-Jye Hwang, Hsin-Mao Hsieh | 2002-05-21 |
| 6390456 | Bubble generating device | Sen-Yung Lee, Sheng-Jye Hwang, Hsin-Mao Hsieh | 2002-05-21 |