Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505663 | Method for making silk protein film | Song-Tay Lee, Nan Lin | 2022-11-22 |
| 6244576 | Mist Humidifier | — | 2001-06-12 |
| 4610556 | Writing instrument with plural tips | — | 1986-09-09 |
| 4430014 | Ball point pen writing instrument | — | 1984-02-07 |
| 4406555 | Nib replaceable writing instrument | — | 1983-09-27 |
| 4277854 | Water-saving toilet bowl | — | 1981-07-14 |
| 4240454 | Automatic umbrella | — | 1980-12-23 |
| 4197599 | Water-saving toilet bowl | — | 1980-04-15 |