Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1025191 | Glasses with light | David D. Lewin | 2024-04-30 |
| D1001332 | Pocket swivel light | David D. Lewin, Hai Rong Shi, Chao Jun Ding | 2023-10-10 |
| D932673 | Handheld light | David D. Lewin | 2021-10-05 |
| D867641 | Headlamp | David D. Lewin | 2019-11-19 |
| D859715 | Tiltable work light | Gregory David Windom, Douglas R. Hutchens, David D. Lewin, Hai Rong Shi | 2019-09-10 |
| 10317048 | Pocket light | Douglas R. Hutchens, David D. Lewin, Song YangZhi | 2019-06-11 |
| D824063 | Compact light | Douglas R. Hutchens, David D. Lewin, Song YangZhi | 2018-07-24 |