Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874975 | Soil-nail apparatus and method for constructing soil reinforced earthen retaining walls | William B. Hilfiker | 2005-04-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874975 | Soil-nail apparatus and method for constructing soil reinforced earthen retaining walls | William B. Hilfiker | 2005-04-05 |