Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D781455 | Corner block for a block structure | — | 2017-03-14 |
| 8562260 | Wet cast concrete segmental retaining wall block | Tyler Matys | 2013-10-22 |
| 8465071 | Multiple-unit indexing clamp with mating vertically-grooved stacking units | Tyler Matys | 2013-06-18 |
| 7059808 | Split key segmental retaining wall system | — | 2006-06-13 |
| D512162 | Wall retaining block | — | 2005-11-29 |
| D511579 | Retaining wall block | Tyler Matys | 2005-11-15 |
| D510144 | Retaining wall block | Tyler Matys | 2005-09-27 |
| D509910 | Retaining wall block | Tyler Matys | 2005-09-20 |
| D466229 | Retaining wall block | Antonio Risi | 2002-11-26 |
| D465855 | Retaining wall block | Antonio Risi | 2002-11-19 |
| D464440 | Retaining wall block | Antonio Risi | 2002-10-15 |
| D464149 | Retaining wall block | Antonio Risi | 2002-10-08 |
| D451207 | Block | — | 2001-11-27 |
| D429005 | Block | — | 2000-08-01 |
| D411889 | Illuminated paving stone | — | 1999-07-06 |
| D406358 | Modular block | Stephen A. Acton | 1999-03-02 |
| D403785 | Modular block | Antonio Risi | 1999-01-05 |
| D403437 | Modular block | Antonio Risi | 1998-12-29 |
| D403438 | Modular block | Antonio Risi | 1998-12-29 |
| D400985 | Edging restraint for paving stones | — | 1998-11-10 |
| 5622456 | Retaining wall blocks | Antonio Risi | 1997-04-22 |
| D370272 | Retaining wall block | Antonio Risi | 1996-05-28 |
| D346031 | Modular block | Antonio Risi | 1994-04-12 |
| D341432 | Modular block | Antonio Risi | 1993-11-16 |
| D340293 | Modular block | Antonio Risi | 1993-10-12 |