Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7986282 | Dynamic message sign display panel error detection, correction, and notification | Eric J. Zerphy | 2011-07-26 |
| 7193583 | Automatic detection of dynamic message sign display panel configuration | Eric J. Zerphy | 2007-03-20 |
| 6916105 | Optical assembly for light emitting diode package | Eric J. Zerphy | 2005-07-12 |