Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11220811 | Integrated height adjusting washstand device | Kwang Bok Woo | 2022-01-11 |
| 7111337 | Height-adjustable washstand | — | 2006-09-26 |
| 6923392 | Freeze-grinding method of the waste materials using the cooled air | Kwang Ho Choi, Kyu-Dong Lee, Kang-Yong Ryoo, Jang Ho Lee, Jin-Yong Im +2 more | 2005-08-02 |
| 6477725 | Height-adjustable washstand | Geun-Woo Chung | 2002-11-12 |