Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636473 | Underground system for treating soil | — | 1997-06-10 |
| 5617670 | Mobile unit for treating soil | — | 1997-04-08 |
| 5596836 | Underground system for treating soil | — | 1997-01-28 |
| 5542208 | Mobile unit for treating soil | — | 1996-08-06 |
| 5507595 | Apparatus for treating soil | — | 1996-04-16 |
| 5433759 | Underground system for treating soil | — | 1995-07-18 |
| 4934246 | Wide angled trapezoidal periscope | Bruce G. Heron | 1990-06-19 |