Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976242 | Drill head for a microtunnelling apparatus | Stuart Harrison | 2011-07-12 |
| 7942217 | Cutting apparatus for a microtunnelling system | Stuart Harrison | 2011-05-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976242 | Drill head for a microtunnelling apparatus | Stuart Harrison | 2011-07-12 |
| 7942217 | Cutting apparatus for a microtunnelling system | Stuart Harrison | 2011-05-17 |