Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224310 | Hand-installed landscape foundation | William G. Edwards | 1993-07-06 |
| 5120163 | Foundation underpinning bracket and jacking tool assembly | Ronnie J. Hargrave, Richard E. Thorsten | 1992-06-09 |
| 5066168 | Cylindrical foundation support drivable into ground with removable helix | — | 1991-11-19 |