Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10576657 | Molds for producing concrete blocks with roughened surfaces; blocks made therefrom; and methods of use | Jay J. Johnson, Paul Johnson, Mike Lidbom | 2020-03-03 |
| 9878465 | Molds for producing concrete blocks with roughened surfaces; blocks made therefrom; and methods of use | Jay J. Johnson, Paul Johnson, Mike Lidbom | 2018-01-30 |