Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351012 | Circuit interrupter with digital trip unit and means to enter trip settings | Robert T. Elms, Joseph C. Engel, Bernard Mercier, Gary F. Saletta | 1982-09-21 |
| 4338647 | Circuit interrupter with digital trip unit and optically-coupled data input/output system | John A. Wafer, Joseph C. Engel, Robert T. Elms | 1982-07-06 |
| 4335437 | Circuit interrupter with energy management functions | John A. Wafer, Joseph C. Engel | 1982-06-15 |