Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443592 | Luminaire having annular inner housing with detachable annular louver support element | Helmuth K. Unger | 2002-09-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443592 | Luminaire having annular inner housing with detachable annular louver support element | Helmuth K. Unger | 2002-09-03 |