Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12349686 | Frozen block separation system | Brett A. Friesen, Stephen Anderson, Ron A. Doll, Dan M. Evenson, Malachi V. Kaiser | 2025-07-08 |
| 12022838 | Frozen block separation system | Brett A. Friesen, Stephen Anderson, Ron A. Doll, Dan M. Evenson, Malachi V. Kaiser | 2024-07-02 |
| 11667228 | High capacity cargo and container dolly | John H. Hoeper | 2023-06-06 |
| 11059669 | Locking roller assemblies for roller conveyors | — | 2021-07-13 |
| 10507977 | Locking roller assemblies for roller conveyors | — | 2019-12-17 |