Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401875 | Absolute position sensing method and apparatus for synchronous elevator machines by detection stator iron saturation | Daryl J. Marvin, Mark Eugene Shepard, Alberto Vecchiotti, Vladan Petrovic | 2002-06-11 |