Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8511858 | Airfield luminaire having optical removability | — | 2013-08-20 |
| 7192155 | Airfield edge-light utilizing a side-emitting light source | Eric Darwin, Alan Glenn Glassner | 2007-03-20 |
| 6946975 | Uniformly lighted airfield guidance sign | Richard L. Hansler | 2005-09-20 |