Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7105975 | Efficient axial airgap electric machine having a frontiron | Andrew D. Hirzel | 2006-09-12 |
| 7067950 | Efficient high-speed electric device using low-loss materials | Andrew D. Hirzel, Jeffrey Day, Mathew R. Johnston | 2006-06-27 |
| 4504755 | Rotor reluctance notch for cogging control | Leon G. Reiss | 1985-03-12 |