Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE50456 | Method of making an asphalt composition containing ester bottoms | Stephen J. Jones, Dennis W. Keppers | 2025-06-10 |
| RE49447 | Method of making an asphalt composition containing ester bottoms | Steve Jones, Dennis W. Keppers | 2023-03-07 |
| 10323147 | Asphalt composition containing ester bottoms | Steve Jones, Dennis W. Keppers | 2019-06-18 |
| 10323148 | Method of making an asphalt composition containing ester bottoms | Steve Jones, Dennis W. Keppers | 2019-06-18 |