Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954740 | Stator winding for two-speed electrodynamic machines having fractional speed ratios | — | 1990-09-04 |
| 4739201 | Means to reduce harmonic torque in electromagnetic machines | Joseph R. Vivirito | 1988-04-19 |
| 4634948 | Stepping motor winding for bipolar drive | — | 1987-01-06 |
| 4516048 | Stator with nonuniformly spaced teeth for rotating electromagnetic device | — | 1985-05-07 |
| 4406958 | Stepping motors with disc magnet | Albert Palmero, Robert S. Lundin | 1983-09-27 |