Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9493653 | Polymer modified binder and plant mix modifier for asphalt and process of making | Douglas Zuberer, Jeffrey Adams Sargeant, Frederick F. Fischer, Jr., Steve M. Grendzinski, Richard W. Specht | 2016-11-15 |
| 8067487 | Method of making and use of a heavy duty pavement structure | Jerry Alan Thayer, Ronald L. Terrel, Gaylon L. Baumgardner, Eric Ferrall, Michael L. Costello | 2011-11-29 |