Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D700096 | Vertical panel highway marker | Alan Walter Knapper, Mark M. Rutenbeck, Alberto Gutierrez | 2014-02-25 |
| D621288 | Arrow top delineator | Lorena Quintana Herrera | 2010-08-10 |
| D621289 | Arrow top delineator | Lorena Quintana Herrera | 2010-08-10 |