Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668692 | Self-powered circuit interruption arrangement | Barry Rodgers | 1997-09-16 |
| 5598315 | Self-power tripping relay with balanced power supply current and measurement current | — | 1997-01-28 |