Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011995 | Electromagnetic action toy system | — | 2011-09-06 |
| 6826837 | Vented sleeve for power cords | — | 2004-12-07 |
| 6018874 | Sleeve for power cords | — | 2000-02-01 |
| 5145455 | Wave-type coin sorter | — | 1992-09-08 |
| 5141472 | Disc-type coin sorter with adjustable gaging device | James M. Rasmussen | 1992-08-25 |