Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641334 | Composite masonry block | — | 2003-11-04 |
| 6616382 | Composite masonry block | Dick J. Sievert | 2003-09-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641334 | Composite masonry block | — | 2003-11-04 |
| 6616382 | Composite masonry block | Dick J. Sievert | 2003-09-09 |