Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682640 | Power supply apparatus for automatic vacuum cleaner | — | 1997-11-04 |
| 5672291 | Apparatus for rotating a turntable of a microwave oven and vertically adjusting the turntable by a single motor | — | 1997-09-30 |
| 5646494 | Charge induction apparatus of robot cleaner and method thereof | — | 1997-07-08 |