Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5842568 | Safety package of the strung up electrical lights | Chen Chang-wen, May-sing Tsai | 1998-12-01 |
| 5798683 | Waterproof fuse plug including a safety fuse door & a fuse pick | Li Liu | 1998-08-25 |
| 5738435 | Waterproof lampholder | Li Liu | 1998-04-14 |
| 5626419 | Structure of Christmas light | — | 1997-05-06 |
| 5446640 | Christmas light | — | 1995-08-29 |
| 4919769 | Manufacturing process for making copper-plated aluminum wire and the product thereof | — | 1990-04-24 |
| 4847993 | Cost-saving process for making plug blades directly from a linear strip | — | 1989-07-18 |
| 4834664 | Safety end-connector used for extension cord | — | 1989-05-30 |
| 4791335 | Decorative bulb with annular groove and water-proof socket | — | 1988-12-13 |
| 4742274 | Adjustable flasher plug for multiple purposes | — | 1988-05-03 |