Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7878733 | Erosion protection device | — | 2011-02-01 |
| 5224794 | Permeable breakwater | William G. McDougal | 1993-07-06 |
| 5190403 | Erosion protection device | — | 1993-03-02 |
| 5174681 | Permeable breakwater | William G. McDougal | 1992-12-29 |
| 5011328 | Permeable breakwater | William G. McDougal | 1991-04-30 |
| RE32663 | Articulated erosion control system | — | 1988-05-03 |
| 4372705 | Articulated erosion control system | — | 1983-02-08 |