Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8684470 | Drill head for a tunneling apparatus | Stuart Harrison, Matthew Arlen Mills, Matthew Stephen Vos, Tod Michael, Robert Hoch Shuman, V | 2014-04-01 |
| 8439132 | Microtunnelling system and apparatus | Stuart Harrison | 2013-05-14 |
| 8439450 | Tunneling apparatus including vacuum and method of use | Stuart Harrison, Matthew Arlen Mills, Melvin Nguyen | 2013-05-14 |
| 8151906 | Microtunnelling system and apparatus | Stuart Harrison | 2012-04-10 |
| 7976242 | Drill head for a microtunnelling apparatus | Stuart Harrison | 2011-07-12 |
| 7942217 | Cutting apparatus for a microtunnelling system | Stuart Harrison | 2011-05-17 |
| 7845432 | Microtunnelling system and apparatus | Stuart Harrison | 2010-12-07 |