Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10403426 | Fault-tolerant power transformer design and method of fabrication | Joseph H. Groeger, Ralph Wegner, Garth Norberg, Brian Klaponski | 2019-09-03 |
| 10217556 | Fault-tolerant power transformer design and method of fabrication | Joseph H. Groeger, Ralph Wegner, Garth Norberg, Brian Klaponski | 2019-02-26 |
| 7142410 | Transformer with housing and switch gear | Ian H. Norris, Michael L. Bullis, Brian Klaponski, Floyd E. A. Engel | 2006-11-28 |