Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11040568 | Convertible apparatus for sharpening marking instruments | Phil Hanson | 2021-06-22 |
| 6554977 | Electrolytic wastewater treatment apparatus | Clyde Kuen-Hua Hu, Patrick Hu | 2003-04-29 |
| 6274028 | Electrolytic wastewater treatment method and apparatus | Clyde Kuen-Hua Hu, Patrick Hu | 2001-08-14 |