Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D879328 | Masonry block | Thomas H. Allen | 2020-03-24 |
| D877937 | Masonry block | Thomas H. Allen | 2020-03-10 |
| D877938 | Masonry block | Thomas H. Allen | 2020-03-10 |
| D877939 | Masonry block | Thomas H. Allen | 2020-03-10 |