Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731722 | Low AC harmonic DC power supply | — | 1988-03-15 |
| 4588065 | Escalator with controlled brake | Charles W. Maiden, John G. Dorman | 1986-05-13 |
| 4414601 | Solid-state load protection system having a test feature | — | 1983-11-08 |
| 4379317 | Solid-state load protection system having loss of phase sensing | Daniel P. Orange, Robert T. Elms | 1983-04-05 |
| 4368500 | Solid-state load protection system having an improved inverse time delay circuit | Robert T. Elms | 1983-01-11 |
| 4347540 | Solid-state load protection system having ground fault sensing | Wardell Gary | 1982-08-31 |