Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392507 | Signal-processing apparatus for shifting phase of a signal inputted thereto and attenuating the signal | — | 2002-05-21 |
| 6337612 | Switch using solenoid | Dong Hwi Lee | 2002-01-08 |