Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954739 | Servo motor with high energy product magnets | Roy David Schultz, Thomas R. England | 1990-09-04 |
| 4868970 | Method of making an electric motor | Roy David Schultz, Thomas R. England | 1989-09-26 |