Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352063 | Polymer concrete paving machine | J. Dewayne Allen, Hugh L. Adams | 1994-10-04 |
| 5288166 | Laser operated automatic grade control system for concrete finishing | J. Dewayne Allen, Thomas J. Leyes | 1994-02-22 |