Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10931094 | Method for detecting an open-phase condition of a transformer | Robert F. Arritt, Wayne E. Johnson, Gregory A. Franklin | 2021-02-23 |
| 10522998 | Method for detecting an open-phase condition of a transformer | Robert F. Arritt, Wayne E. Johnson, Gregory A. Franklin | 2019-12-31 |
| 10090665 | Method for detecting an open-phase condition of a transformer | Robert F. Arritt, Wayne E. Johnson, Gregory A. Franklin | 2018-10-02 |