Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6164788 | Drop down emergency lighting unit | Thomas Gemmell | 2000-12-26 |
| 5365411 | Exit signs with LED illumination | David J. Rycroft | 1994-11-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6164788 | Drop down emergency lighting unit | Thomas Gemmell | 2000-12-26 |
| 5365411 | Exit signs with LED illumination | David J. Rycroft | 1994-11-15 |