Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860771 | Retaining wall/tie-back/anchor assembly | Jack Ditcher | 1999-01-19 |
| 5127770 | Retaining wall assembly utilizing face panels interlocked with tie-back/anchors | Jack Ditcher | 1992-07-07 |