Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5984486 | Task light shelf system | Douglas J. Herst | 1999-11-16 |
| 5369558 | Fluorescent lamp removing device | — | 1994-11-29 |
| 5217301 | Lighting fixture having an unobtrusive surface switch | Douglas J. Herst | 1993-06-08 |