Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D569010 | Retaining wall block | Peter Stroh | 2008-05-13 |
| D555810 | Mortarless retaining wall block | — | 2007-11-20 |
| D552258 | Retaining wall block | Peter Stroh | 2007-10-02 |
| 7244079 | Retaining wall system | Peter J. Blomquist | 2007-07-17 |
| 7229235 | Retaining wall system | Peter J. Blomquist | 2007-06-12 |
| D537533 | Retaining wall block | — | 2007-02-27 |
| 6960048 | Modular segmented retaining wall | Peter J. Blomquist | 2005-11-01 |
| 6488448 | Block module | Peter J. Blomquist | 2002-12-03 |
| D458387 | Modular retaining wall block | Peter J. Blomquist | 2002-06-04 |
| D452332 | Modular retaining wall block | Peter J. Blomquist | 2001-12-18 |
| D447573 | Front surface of a retaining wall module | Peter J. Blomquist | 2001-09-04 |
| D439678 | Masonry block | Peter J. Blomquist | 2001-03-27 |
| D435302 | Front surface of a retaining wall module | Peter J. Blomquist | 2000-12-19 |
| D430680 | Concrete block | Peter J. Blomquist | 2000-09-05 |
| D429004 | Retaining wall block | Peter J. Blomquist | 2000-08-01 |
| D391376 | Retaining wall block | Peter J. Blomquist | 1998-02-24 |
| D378702 | Edging block | Peter J. Blomquist | 1997-04-01 |
| D346667 | Retaining wall block | Peter J. Blomquist | 1994-05-03 |
| D341215 | Retaining wall block | Peter J. Blomquist | 1993-11-09 |