Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11015999 | Determining air leakage | David Etheridge, Yingqing Zu | 2021-05-25 |
| 5828018 | Light switch cover plate with mechanical timer mechanism | — | 1998-10-27 |
| 4795959 | Harmonic inductor for generation of an energy conserving power wave | — | 1989-01-03 |
| 4716357 | AC voltage regulator with split primary switching | — | 1987-12-29 |
| 4620149 | Method and system for recording and displaying input data signals | — | 1986-10-28 |
| 4591872 | X-Y distinguishable multi-trace coding for multiparameter recording of a single stylus recorder | — | 1986-05-27 |
| 4565958 | AC Line voltage regulator with controlled energy dispenser | — | 1986-01-21 |
| 4202488 | Pendulum suspended hydraulically driven basket centrifuges | Joseph F. Jackson | 1980-05-13 |