Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9014939 | Signal based safety system for construction zone | Robert L. Mendenhall, Gilbert Cabrera, John Alfred Bugay | 2015-04-21 |
| 8849522 | Signal based safety system for construction zone | Robert L. Mendenhall, Gilbert Cabrera, John Alfred Bugay | 2014-09-30 |