Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10450713 | Process for installing a modular retaining wall | — | 2019-10-22 |
| 10119234 | Process for installing a modular retaining wall | — | 2018-11-06 |
| 8033759 | Modular retaining wall | John E. Davidsaver | 2011-10-11 |
| 7628570 | Modular retaining wall | John E. Davidsaver | 2009-12-08 |
| 6763647 | Window framing system | — | 2004-07-20 |