Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365302 | High accuracy AC electric energy metering system | — | 1982-12-21 |
| 4351012 | Circuit interrupter with digital trip unit and means to enter trip settings | Joseph C. Engel, Bernard Mercier, Gary F. Saletta, John T. Wilson | 1982-09-21 |
| 4338647 | Circuit interrupter with digital trip unit and optically-coupled data input/output system | John T. Wilson, John A. Wafer, Joseph C. Engel | 1982-07-06 |
| 4331997 | Circuit interrupter with digital trip unit and potentiometers for parameter entry | Joseph C. Engel, Bernard Mercier, Joseph J. Matsko | 1982-05-25 |
| 4331999 | Circuit interrupter with digital trip unit and power supply | Joseph C. Engel, John A. Wafer, Gary F. Saletta | 1982-05-25 |