Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10780362 | Method and an apparatus to improve the realism of a model locomotive motion and sounds | — | 2020-09-22 |
| 8807487 | Control system for simplifying control of a model railroad | — | 2014-08-19 |
| 7422425 | Drive system for a knockout apparatus for a patty-forming machine | David M. Hansen | 2008-09-09 |
| 7335013 | Drive systems for a reciprocating mold plate patty-forming machine | David M. Hansen, Glenn Sandberg, Scott A. Lindee | 2008-02-26 |
| 6635830 | Method of weight measurement using moving weigh conveyor | — | 2003-10-21 |