Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074419 | Unbonded non-masonry building block components | David L. Humphress | 2011-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074419 | Unbonded non-masonry building block components | David L. Humphress | 2011-12-13 |