Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D904298 | Transformer device with modified voltage tap arrangement | John F. Ryan | 2020-12-08 |
| 10747244 | Transformer device with modified voltage tap arrangement | John F. Ryan | 2020-08-18 |