Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581692 | Direct current voltage converter apparatus | David Nayberg | 1986-04-08 |
| 4480298 | Multiple output DC-to-DC voltage converter apparatus | — | 1984-10-30 |
| 4394724 | Propulsion motor control apparatus and method | James H. Franz, Jr., Paul J. Merlino | 1983-07-19 |
| 4322772 | Rapid transit system transient voltage suppression apparatus | — | 1982-03-30 |
| 4270156 | Electronic synchronization monitor | — | 1981-05-26 |
| 4238811 | Three phase undervoltage monitor | — | 1980-12-09 |