Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694962 | Method for controlling a water supply valve of a washing machine | — | 1997-12-09 |
| 5666095 | High power waveguide valve | Won Namkung, Joo-Sik Park, Hee-Seob Kim, Yong-Jung Park | 1997-09-09 |