Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7550175 | Method for selecting an asphalt mixture for making an interlayer and method of making an interlayer | Phillip B. Blankenship, Joseph Drbohlav, III | 2009-06-23 |
| 6830408 | System for repairing distressed roads that includes an asphalt interlayer | Phillip B. Blankenship, Joseph Drbohlav, III | 2004-12-14 |