Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9194095 | Unitized precast grillage foundation and method for manufacturing the same | Don Zakariasen | 2015-11-24 |
| 8863455 | Unitized precast grillage foundation and method for manufacturing the same | Don Zakariasen | 2014-10-21 |