Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320426 | Asphalt drum mixer having temperature sensor enclosure | Gary R. Keylon | 1994-06-14 |
| 5273355 | Aggregate dryer and soil incinerator | James G. Renegar | 1993-12-28 |
| 5259717 | Conveying apparatus for asphaltic mix and the like | — | 1993-11-09 |
| 4944646 | Highway transportable material storage apparatus and frame assembly therefor | M. Earl Edwards, Jr. | 1990-07-31 |
| 4943200 | Portable self-erecting asphalt storage apparatus and method of erecting same | M. Earl Edwards, Jr. | 1990-07-24 |
| 4867572 | Asphalt plant with fixed sleeve mixer | J. Don Brock | 1989-09-19 |
| 4638747 | Coal-fired asphalt plant | J. Donald Brock | 1987-01-27 |