Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676497 | Power drill-saw with simultaneous rotation and reciprocation action | — | 1997-10-14 |
| 5632254 | Device for enhancement of combustion | — | 1997-05-27 |
| 5628628 | Combustion device of fan heater | In Kyu Kim, Seock Joon Kim, Sung-Ho Shim | 1997-05-13 |
| 5619065 | Semiconductor package and method for assembling the same | — | 1997-04-08 |