Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9003720 | Method and apparatus for lifting and leveling a concrete panel | — | 2015-04-14 |
| 8875471 | Method and apparatus for lifting and leveling a concrete panel | — | 2014-11-04 |
| 8756898 | Apparatus and method for joining adjacent concrete panels | Thomas J. Backhaus | 2014-06-24 |