Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114267 | Integrated paver with windrow pick-up capability | Donald W. Smith, James J. Plociennik, Andrew W. Green | 1992-05-19 |
| 4688965 | Extendable screed and method for paving non-coplanar road surface | Donald O. Smith | 1987-08-25 |