Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703550 | Magnetic latching relay | Chi H. Leung | 1997-12-30 |
| D380954 | Telescopic pen shaped magnetic multi-purpose screw driver | — | 1997-07-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703550 | Magnetic latching relay | Chi H. Leung | 1997-12-30 |
| D380954 | Telescopic pen shaped magnetic multi-purpose screw driver | — | 1997-07-15 |