Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232855 | Circuit interrupter with covered accessory case, adjustable under voltage relay, self-retaining collar and one-piece rail attachment | Richard Paul Malingowski, Trent A. Chontas, Joseph F. Changle, Kenneth N. Skoug, Roger W. Helms +1 more | 2001-05-15 |
| 6052047 | Circuit interrupter with covered accessory case, adjustable under voltage relay, self-retaining collar and one-piece rail attachment | Richard Paul Malingowski, Trent A. Chontas, Joseph F. Changle, Kenneth N. Skoug, Roger W. Helms +1 more | 2000-04-18 |
| 6015959 | Molded case electric power switches with cam driven, spring powered open and close mechanism | Robert Michael Slepian, Michael T. Little, H. Richard Beck, William George Eberts, David Turner | 2000-01-18 |