Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11260991 | PAPI with LED light source and aperture plates | Ingo Speier, Jeffrey G. Shaw | 2022-03-01 |
| 8099886 | Airport guidance sign illuminated with cylindrical LED arrays | — | 2012-01-24 |
| 7377062 | Curved face airport guidance sign | — | 2008-05-27 |