Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297641 | Cast stone corner hardscaping block | John E. Ravelli, Eric Y. Long | 2025-05-13 |
| 11879248 | Method and apparatus for double faced wall | John E. Ravelli, Eric Y. Long | 2024-01-23 |
| 11802406 | Method and apparatus for double faced wall | John E. Ravelli, Eric Y. Long | 2023-10-31 |
| 10883267 | Method and apparatus for double faced wall | John E. Ravelli, Eric Y. Long | 2021-01-05 |
| 6688073 | Method of forming a composite panel | Pieter A. VanderWerf, Ivan Becica, J.C. Henry, Jirair Youssefian | 2004-02-10 |
| 6115983 | Block assembly and wall constructed therefrom | — | 2000-09-12 |