Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360176 | Residual current monitor | Swen Anderson, William H. Avery, Jr., Thomas Hsueh, Alex Lee, Stefan Oebser +1 more | 2025-07-15 |
| 10183879 | Method for removing mercury and selenium from sulfate-containing waste water | Luis Fernando Piedra-Garza, Magdalena Hilger | 2019-01-22 |
| 6409045 | Vending machine for bottles | — | 2002-06-25 |
| 6112943 | Vending machine for bottles and method of vending bottles | — | 2000-09-05 |
| 5988428 | Vending machine for cans with dispensing rod | — | 1999-11-23 |