Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6091170 | Starting of single-phase motors | Peter Richard Mayes | 2000-07-18 |
| 5801935 | Digital power factor correction circuit | David Mark Sugden, Phillip Gerard Langhorst, Joseph G. Marcinkiewicz | 1998-09-01 |
| 5650682 | Single-phase variable reluctance motor having permanent magnets embedded within a phase winding | — | 1997-07-22 |