Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D333880 | Adjustable lamp | — | 1993-03-09 |
| D333360 | Adjustable lamp | — | 1993-02-16 |
| 5158361 | Structure of lamp frame assembly | — | 1992-10-27 |
| 5084810 | Structure of built-up desk lamp | — | 1992-01-28 |
| D318340 | Adjustable lamp | — | 1991-07-16 |
| D313083 | Adjustable lamp | — | 1990-12-18 |
| 4892278 | Revolving shaft controlled movable lamp stand | — | 1990-01-09 |