Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10294776 | Horizontal directional drilling system including sonde position detection using global positioning systems | Scott Rempe, Tony Briggs, Keith Sjostrom, Nathan Copeland, Hans Kelpe +2 more | 2019-05-21 |
| 9739133 | Imaging underground objects using spatial sampling customization | Waleed Sami Haddad | 2017-08-22 |
| 9646415 | System and method for visualizing multiple-sensor subsurface imaging data | Keith Sjostrom, Ross Peter Jones, Peter John Kelly | 2017-05-09 |
| 9611732 | Horizontal directional drilling system including sonde position detection using global positioning systems | Scott Rempe, Tony Briggs, Keith Sjostrom, Nathan Copeland, Hans Kelpe +2 more | 2017-04-04 |
| 7612704 | Positioning correction system and method for single and multi-channel ground penetrating radar | Kenneth J. Ryerson, Keith Sjostrom | 2009-11-03 |
| 6527871 | Wet weather vision improvement system and method for video and television camera, and other viewing and imaging equipment | Brian Hanson, Stanislav Torgovitsky | 2003-03-04 |
| 6413324 | Wet weather vision improvement system and method for open cockpit racing and for other application | Brian Hanson | 2002-07-02 |
| 5862638 | Seismic isolation bearing having a tension damping device | Rodney Hans Holland, Douglas G. Burgess, William H. Strobel | 1999-01-26 |