Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9222809 | Portable pipe inspection systems and apparatus | Mark S. Olsson, Michael E. Turgeon | 2015-12-29 |
| 8908027 | Asymmetric drag force bearings for use with push-cable storage drums | Eric M. Chapman, Mark S. Olsson, Michael E. Turgeon | 2014-12-09 |
| 7288929 | Inductive clamp for applying signal to buried utilities | Jeffrey A. Prsha, Lisa E. Latimer, Mark S. Olsson, Jan Soukup | 2007-10-30 |
| 6318562 | Filtering centrifuge with cake heel removal mechanism | William John Wilkie | 2001-11-20 |
| 6063298 | Filtering centrifuge with cake heel removal mechanism and associated method | William John Wilkie | 2000-05-16 |