Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291286 | Hollow drill rod for slurry application in a geothermal loop | Terry R. Biggs | 2016-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291286 | Hollow drill rod for slurry application in a geothermal loop | Terry R. Biggs | 2016-03-22 |