Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627718 | Apparatus providing protection and metering in an ac electrical system utilizing a multi-function sampling technique | Joseph C. Engel, Gary F. Saletta | 1997-05-06 |
| 5600527 | Circuit interrupter providing protection and waveform capture for harmonic analysis | Joseph C. Engel, Gary F. Saletta | 1997-02-04 |
| 5596473 | Electrical switches with current protection interfaced with a remote station and a portable local unit | Joseph C. Engel, Michael F. Boccabella, David M. Oravetz, James I. Wise | 1997-01-21 |