Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7310896 | Mechanized unit for protectively encasing a utility in a trench with processed excavated trench material | — | 2007-12-25 |
| 6981342 | Screening laying box | — | 2006-01-03 |
| 6854931 | Apparatus for establishing adjustable depth bed in trenches for utility lines and encasing the lines | — | 2005-02-15 |