Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7248229 | Dynamic message sign display panel communication error detection and correction | Eric J. Zerphy, Meghanad Wagh | 2007-07-24 |
| 7053862 | System and method for rapidly refreshing a dynamic message sign display panel | Eric J. Zerphy | 2006-05-30 |