Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7037037 | Interlocking erosion control block with diagonal cable channels | Lee A. Smith | 2006-05-02 |
| 6955500 | Method of forming a mat of erosion control blocks | Lee A. Smith, James S. Kole, Jr. | 2005-10-18 |
| 6508607 | Erosion control block adapted for use with cellular concrete mattresses | Lee A. Smith | 2003-01-21 |