Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739493 | Segmental retaining wall block with integral vertical interlock system | Brock Nicol | 2023-08-29 |
| 11401679 | Combination standard and corner segmental retaining wall block with integral vertical interlock system | — | 2022-08-02 |
| 10760267 | Method and mold for manufacturing an interlocking concrete retaining wall block | — | 2020-09-01 |
| 10280584 | Reversible segmental retaining wall block, molds and methods for manufacturing same, and methods of forming retaining walls with same | Brock Nicol | 2019-05-07 |
| 9945118 | Method and mold for manufacturing an interlocking concrete retaining wall block | — | 2018-04-17 |
| 9649778 | Method and mold for manufacturing an interlocking concrete block | — | 2017-05-16 |
| 9145683 | Prefabricated pillar slab system | — | 2015-09-29 |
| 8562260 | Wet cast concrete segmental retaining wall block | Angelo Risi | 2013-10-22 |
| 8465071 | Multiple-unit indexing clamp with mating vertically-grooved stacking units | Angelo Risi | 2013-06-18 |
| D511579 | Retaining wall block | Angelo Risi | 2005-11-15 |
| D510144 | Retaining wall block | Angelo Risi | 2005-09-27 |
| D509910 | Retaining wall block | Angelo Risi | 2005-09-20 |