Issued Patents 2016
Showing 1–2 of 2 patents
| 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, Michael Lidbom | 2016-02-16 |
| D749237 | Molded surface of a concrete product | Jay J. Johnson | 2016-02-09 |