Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10392756 | Roadway marker control system | William R. Haller, Matthew W. Smith, Charles C. Stahl | 2019-08-27 |
| 10301783 | Roadway maintenance striping control system | William R. Haller | 2019-05-28 |