Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763352 | Catalyst composition for the purification of the exhaust of diesel vehicles, catalyst using the same and preparing methods thereof | Hyun-Jong Jung, Bon-Chul Ku, Yong-Taek Choi, Ki-Ho Lee, Kyeong-Cheol Min +1 more | 1998-06-09 |
| 5499423 | Noise control apparatus for vacuum cleaner | Jae Man Joo | 1996-03-19 |
| 5257117 | Computer-facsimile system having separately a sending device and a receiving device | Seung I. Kang, Joon-Woo LEE | 1993-10-26 |
| 5045004 | Turbo-hydroduct propulsion system | — | 1991-09-03 |