Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8890770 | Multi-channel LED sign module | Jeff Koebrich, Michael Cox, Carl D. Roth | 2014-11-18 |
| 8797235 | Multi-channel LED sign module | Jeff Koebrich, Michael Cox, Carl D. Roth | 2014-08-05 |