Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5907267 | Photoelectric auxiliary switch for electromagnetic contactor | Scott A. Reid | 1999-05-25 |
| 5185684 | Frequency selective arc detection | Bruce C. Beihoff, Charles J. Tennies, Walter K. O'Neil | 1993-02-09 |
| 5185686 | Direction sensing arc detection | James E. Hansen, Bruce C. Beihoff, Charles J. Tennies | 1993-02-09 |
| 5185687 | Chaos sensing arc detection | Bruce C. Beihoff, Charles J. Tennies, Walter K. O'Neil | 1993-02-09 |