Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297641 | Cast stone corner hardscaping block | Eric Y. Long, John M. Poignard | 2025-05-13 |
| 11879248 | Method and apparatus for double faced wall | Eric Y. Long, John M. Poignard | 2024-01-23 |
| 11802406 | Method and apparatus for double faced wall | Eric Y. Long, John M. Poignard | 2023-10-31 |
| 10883267 | Method and apparatus for double faced wall | Eric Y. Long, John M. Poignard | 2021-01-05 |
| D877936 | Veneer block | John J. Lindberg, Eric Y. Long | 2020-03-10 |
| D768876 | Veneer block | John J. Lindberg, Eric Y. Long | 2016-10-11 |
| 9145676 | Masonry block with taper | Eric Y. Long, John J. Lindberg | 2015-09-29 |