Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9401249 | Tap changer | Robert A. Elick, William James Teising, David Matthew Geibel | 2016-07-26 |
| 9136055 | Tap changer having a vacuum interrupter assembly with an improved damper | Robert A. Elick | 2015-09-15 |
| 8686302 | Selector switch assembly for load tap changer | David Matthew Geibel, William James Teising, Robert A. Elick, Bobby Owen Thurmond, Jr. | 2014-04-01 |
| 8430136 | Oil catch tray for load tap changer tank | — | 2013-04-30 |