Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D905307 | Compact flashlight | David D. Lewin | 2020-12-15 |
| D892378 | Work light | Douglas R. Hutchens, David D. Lewin | 2020-08-04 |
| D881432 | Flashlight | Hai Rong Shi, Chao Jun Ding | 2020-04-14 |
| 10605417 | Multi-function focusing flashlight | Hai Rong Shi, Chao Jun Ding | 2020-03-31 |