Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9259853 | Molds for producing concrete blocks with roughened surfaces; blocks made therefrom; and methods of use | Jay J. Johnson, Lech W. Hernandez, Paul Johnson | 2016-02-16 |
| 6953309 | Concrete block with batter indicators | Paul Randal Tufts | 2005-10-11 |