Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4403268 | Protective relay having an improved characteristic angle adjustment circuit | — | 1983-09-06 |
| 4319315 | D.C. to D.C. converter | William A. Massey | 1982-03-09 |
| 4225795 | Coincidence circuit for a protective relay circuit | — | 1980-09-30 |