Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7550078 | Skimmer cover and helical ramp apparatus | — | 2009-06-23 |
| 7266961 | Mobile refrigeration system and control | Bradley M. Ludwig, Doug Lenz, Darrell Storlie, Steve Helgeson, Gary Connolly | 2007-09-11 |
| 7260946 | Mobile refrigeration system and control | Bradley M. Ludwig, Doug Lenz, Darrell Storlie, Steve Helgeson, Gary Connolly | 2007-08-28 |
| 7080521 | Mobile refrigeration system and control | Bradley M. Ludwig, Doug Lenz, Darrell Storlie, Steve Helgeson, Gary Connolly | 2006-07-25 |