Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951417 | Method of contaminated soil remediation and apparatus therefor | Steven Gerken, Brian Bell | 1990-08-28 |
| 4782625 | Method of contaminated soil remediation and apparatus therefor | Steven Gerken, Brian Bell | 1988-11-08 |