Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627419 | Self-adjusting airgap motor/generator for flywheel system | — | 1997-05-06 |
| 5613188 | Interlaced conductor/back-iron secondary for induction motors | Zbigniew Piech, John L. Kettle | 1997-03-18 |