Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11014791 | Self-raising winch boom and control systems and methods associated therewith | Joshua Magill, Austin Tunis Ver Meer, David Greiner | 2021-05-25 |
| 8684470 | Drill head for a tunneling apparatus | Stuart Harrison, Andis Salins, Matthew Arlen Mills, Tod Michael, Robert Hoch Shuman, V | 2014-04-01 |
| 8256536 | Backreamer for a tunneling apparatus | Stuart Harrison, Keith A. Hoelting | 2012-09-04 |
| D587727 | Quad track trencher | Ronald S. Hansen | 2009-03-03 |