Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788493 | Apparatus for detecting direction of electric power flow | — | 1988-11-29 |
| 4720776 | DC bus shorting apparatus and method for polyphase AC inverter | John C. Guyeska, Richard W. Roof | 1988-01-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788493 | Apparatus for detecting direction of electric power flow | — | 1988-11-29 |
| 4720776 | DC bus shorting apparatus and method for polyphase AC inverter | John C. Guyeska, Richard W. Roof | 1988-01-19 |