Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434723 | Low drag asymmetric tetrahedral vortex generators | Roger L. Simpson, K. Todd Lowe | 2013-05-07 |
| 8348553 | Bridge pier and abutment scour preventing apparatus with vortex generators | Roger L. Simpson, K. Todd Lowe | 2013-01-08 |