Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917537 | Fluid impervious, multiple panel lining system | — | 1990-04-17 |
| 4448352 | Molten asphalt spray mechanism | Mark Manning | 1984-05-15 |
| 4390304 | Crushed rock applicator mechanism | Mark Manning | 1983-06-28 |
| 4279056 | Pavement joint and crack cleaning machine | Gaius P. Crosby | 1981-07-21 |
| D257149 | Paving crack sealer machine | — | 1980-09-30 |
| 4204714 | Pavement cutting machine with pad to stabilize and brake machine | Gaius P. Crosby | 1980-05-27 |