Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9884352 | Pipe cleaning apparatus, use, system, and method | Randall Cooper, Dave Marshall, John Hochfellner | 2018-02-06 |
| 9713824 | Method to line pipe homogeneously | Brian THOROGOOD, John Hochfeller | 2017-07-25 |
| 9339855 | Projectile dispensing system and use | John Hochfellner, Dave Marshall | 2016-05-17 |