Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833518 | Load tap changer with direct drive and brake | Augusto D. Hernandez, Dennis O. Conway, Neal Dirk | 2004-12-21 |
| 6693247 | Load tap changer with direct drive and brake | Augusto D. Hernandez, Dennis O. Conway, Neal Dirk | 2004-02-17 |