Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8612131 | Emergency and traffic alert system | Carl E. Johnson | 2013-12-17 |
| 8056993 | Switchgear cabinet | Thomas Stock, Sven Laurosch, Marc Hartel | 2011-11-15 |
| D488401 | Planter box with drainage hole | — | 2004-04-13 |
| 6504936 | Amplifier signal distribution module | — | 2003-01-07 |