Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7004678 | Soil remediation with heated soil | George Leo Stegemeier, Harold J. Vinegar, Ralph S. Baker | 2006-02-28 |
| 6881009 | Remediation of soil piles using central equipment | George Leo Stegemeier, Harold J. Vinegar, Ralph S. Baker | 2005-04-19 |