Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35052 | Method for hot rolling metal strip with composite metal rolls | Jean-Claude Werquin | 1995-10-03 |
| 4507366 | Rolling mill roll for a hot train of rolls | Jean-Claude Werquin | 1985-03-26 |
| 4428022 | Circuit interrupter with digital trip unit and automatic reset | Joseph C. Engel | 1984-01-24 |
| 4377836 | Circuit interrupter with solid state digital trip unit and positive power-up feature | Robert T. Elms, Gary F. Saletta | 1983-03-22 |
| 4351013 | Circuit interrupter with multiple display and parameter entry means | Joseph J. Matsko, John A. Wafer, Joseph C. Engel | 1982-09-21 |
| 4351012 | Circuit interrupter with digital trip unit and means to enter trip settings | Robert T. Elms, Joseph C. Engel, Gary F. Saletta, John T. Wilson | 1982-09-21 |
| 4335413 | Circuit interrupter with remote indicator and power supply | Joseph C. Engel, John A. Wafer, Joseph J. Matsko | 1982-06-15 |
| 4331997 | Circuit interrupter with digital trip unit and potentiometers for parameter entry | Joseph C. Engel, Robert T. Elms, Joseph J. Matsko | 1982-05-25 |
| 4331998 | Circuit interrupter with digital trip unit and style designator circuit | Joseph J. Matsko, Emroy W. Lange, Joseph C. Engel | 1982-05-25 |