Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7965478 | System and method for detecting a fault condition | Steven T. Haensgen, William H. Martin, Ronald N. Jansen | 2011-06-21 |
| 7394629 | Motor overload tripping system and method with multi-function circuit interrupter | Roger Alan Plemmons, John Herman Blakely, Gregory A. Helton, Mark E. Innes | 2008-07-01 |
| 7019951 | Extended trip range motor control system and method | Roger Alan Plemmons, John Herman Blakely, Gregory A. Helton, Mark E. Innes | 2006-03-28 |
| 5051604 | Electrically normally closed switch device | — | 1991-09-24 |
| 4739293 | Electromagnetic contactor with reduced noise magnetic armature | Birch L. DeVault | 1988-04-19 |