Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953284 | Method for retaining a magnet within a motor assembly | Joe K. Hammer, Alan H. Fitzsimmons | 1990-09-04 |
| 4916344 | Motor magnet shield retention assembly | Joe K. Hammer, Alan H. Fitzsimmons | 1990-04-10 |
| 4437230 | Motor having insulationless armature connections | — | 1984-03-20 |