Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5959537 | Variable trip fault indicator | Frank John Muench, Eugene Scott Knabe | 1999-09-28 |
| 5956223 | Surge protection system including proper operation indicator | — | 1999-09-21 |
| 5497096 | Faulted circuit indictor with three-dimensional display device | — | 1996-03-05 |
| 5475371 | Faulted circuit detector having isolated indicator | Michael P. Dunk, Gary D. Rector | 1995-12-12 |
| 5159319 | Faulted circuit detector having an isolated indicator for an electrical transformer | Michael P. Dunk, Gary D. Rector | 1992-10-27 |