Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9217292 | Two-port percussion mole | — | 2015-12-22 |
| 8936113 | Percussion mole and method of geothermal heat exchange | Les Brown | 2015-01-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9217292 | Two-port percussion mole | — | 2015-12-22 |
| 8936113 | Percussion mole and method of geothermal heat exchange | Les Brown | 2015-01-20 |