Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929393 | Asphalt production plant | J. Donald Brock, Herbert E. Jakob, Michael E. Barrett, Thomas Scott Cloninger, M. Earl Edwards, Jr. | 2005-08-16 |
| 6575303 | Processing a product including aggregate materials and a volatile component | J. Donald Brock, Herbert E. Jakob, Michael E. Barrett, Gary Heeszel, David F. Peaks | 2003-06-10 |
| 6318193 | Apparatus for use in sampling aggregate | J. Donald Brock, Michael E. Barrett | 2001-11-20 |