Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525513 | Construction aggregate from verified remediated spoil | Keith Kautzman | 2020-01-07 |
| 9694400 | Controlled verified remediation of excavated spoil | Keith Kautzman | 2017-07-04 |