Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6325673 | Electric plug for an extension cable | — | 2001-12-04 |
| 6241543 | Tubular lamp assembly | — | 2001-06-05 |
| 5643012 | Safety plug with switch means | Pen-Li Chiu | 1997-07-01 |
| 5451173 | Safety plug | — | 1995-09-19 |