Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9391493 | Air cooled electric motor | Stephen English, Matthew W. Critchley, Janice Fitzgerald, Frank Edward Staigl, III, Joseph A. Henry +2 more | 2016-07-12 |
| 8519582 | Air cooled electric motor | Stephen English, John R. Belko, Matthew W. Critchley, Janice Fitzgerald, Frank Edward Staigl, III +2 more | 2013-08-27 |
| 8497611 | Motor end frame | Frank Edward Staigl, III | 2013-07-30 |
| 7898131 | External voltage change device | Frank Edward Staigl, III, Dennis Studebaker, Dennis A. Bush | 2011-03-01 |