Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170221 | Block and brick wall construction system | — | 2001-01-09 |
| 5937610 | Method of forming a structural block or brick wall | — | 1999-08-17 |
| D409313 | Concrete block and brick | — | 1999-05-04 |
| D408930 | Concrete block and brick | — | 1999-04-27 |
| D408557 | Concrete block and brick | — | 1999-04-20 |