Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172334 | Apparatus and method for monitoring tunnel boring efficiency | Leif R. Lindbergh, Aaron J. Shanahan, Ian R. Cahoon, Richard J. Robbins, Brent R. Brown +1 more | 2012-05-08 |