Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678268 | Method for controlling laundering of low frequency oscillation washing system | — | 1997-10-21 |
| 5617746 | Pressure dehydration low-frequency vibration washing machine | Kyung Seop Hong, Dong Yeop Oh, Gyu Seung Choi, Oh-Hun Kwon, Ha I. Lee +1 more | 1997-04-08 |