Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827369 | Circuit interrupter apparatus with a selectable display means | Joseph J. Matsko | 1989-05-02 |
| 4819118 | Electromagnetic contactor tandem control system for thermal protection of a bidirectional motor drive | Denis A. Mueller | 1989-04-04 |
| 4809125 | Circuit interrupter apparatus with a style saving rating plug | Joseph J. Matsko | 1989-02-28 |