Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803326 | Bridge system adapted for promoting sedimentation | Scott D. Aston, Michael A. Blank | 2017-10-31 |
| 9481968 | Bridge system and method including four sided concrete bridge units adapted for promoting sedimentation | Scott D. Aston, Michael A. Blank | 2016-11-01 |
| 6962465 | Method for improving the environment within soil embedded culvert and bridge systems | Scott D. Aston | 2005-11-08 |