Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6038157 | Fault tolerant power supply circuit | John H. Mortimer, Oleg S. Fishman, Richard A. Ranlof | 2000-03-14 |
| 5523631 | Control system for powering plural inductive loads from a single inverter source | Oleg S. Fishman, Walter P. Gazdzik | 1996-06-04 |
| 5272719 | Plural output power supply for induction holding and melting furnaces | Jesse Cartlidge, John H. Mortimer, Oleg S. Fishman, Brian E. Potter | 1993-12-21 |
| 5165049 | Phase difference control circuit for induction furnace power supply | — | 1992-11-17 |