Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341873 | Umbrella with an illumination device | — | 2002-01-29 |
| 6267481 | Illumination assembly for an umbrella | — | 2001-07-31 |
| 5323798 | Flashing umbrella | — | 1994-06-28 |
| 5309933 | One-hand openable and closable umbrella | Hisao Nagai | 1994-05-10 |
| 4333747 | Apparatus for rapidly and continuously defoaming liquid material | Zuu C. Hong | 1982-06-08 |