Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7600575 | Modified box scraper system and apparatus with trench backfill blade | — | 2009-10-13 |
| 6599343 | Method and apparatus for assembling an expandable and disposable media filter | Daniel E. Schuld, Robert C. Squier, Rajendra K. Shah, Dwight H. Heberer, Danny L. Jenkins | 2003-07-29 |