Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862050 | Optical commutation and tilt sensing for a permanent magnet gyro | Walter Parfomak, Jerome Sears | 1989-08-29 |
| 4818922 | Optical commutation for permanent magnet motors | Jerome Sears, Walter Parfomak | 1989-04-04 |