Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7244079 | Retaining wall system | Todd P. Strand | 2007-07-17 |
| 7229235 | Retaining wall system | Todd P. Strand | 2007-06-12 |
| 6960048 | Modular segmented retaining wall | Todd P. Strand | 2005-11-01 |
| 6488448 | Block module | Todd P. Strand | 2002-12-03 |
| D458387 | Modular retaining wall block | Todd P. Strand | 2002-06-04 |
| D452332 | Modular retaining wall block | Todd P. Strand | 2001-12-18 |
| D447573 | Front surface of a retaining wall module | Todd P. Strand | 2001-09-04 |
| D439678 | Masonry block | Todd P. Strand | 2001-03-27 |
| D435302 | Front surface of a retaining wall module | Todd P. Strand | 2000-12-19 |
| D430680 | Concrete block | Todd P. Strand | 2000-09-05 |
| D429004 | Retaining wall block | Todd P. Strand | 2000-08-01 |
| D391376 | Retaining wall block | Todd P. Strand | 1998-02-24 |
| D378702 | Edging block | Todd P. Strand | 1997-04-01 |
| D346667 | Retaining wall block | Todd P. Strand | 1994-05-03 |
| D341215 | Retaining wall block | Todd P. Strand | 1993-11-09 |
| D321060 | Retaining wall block | Michael E. Woolford | 1991-10-22 |
| D319885 | Retaining wall block | Michael E. Woolford | 1991-09-10 |