Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5767600 | Modular motor | — | 1998-06-16 | |
| 5573481 | Foot operated therapeutic device | William Brian Piercy, Jean Piercy, legal representative | 1996-11-12 | |
| 4746844 | Control and operation of brushless continuous torque toroid motor | John S. MacKelvie | 1988-05-24 | |
| 4710667 | Brushless D.C. dynamoelectric machine with decreased magnitude of pulsations of air gap flux | — | 1987-12-01 | |
| 4605874 | Brushless D.C. dynamoelectric machine having ferrite material magnetic circuit | — | 1986-08-12 | |
| 4190780 | Liquid cooled disc machines | — | 1980-02-26 | $2,887,000 |