Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7515012 | System and method for automatic tuning of a magnetic field generator | Joseph H. Schulman, Dale A. Lewis, Martin Vogel | 2009-04-07 |
| 6007682 | Power processor circuit and method for corona discharge pollutant destruction apparatus | Weldon S. Williamson, John H. S. Wang | 1999-12-28 |
| 5845488 | Power processor circuit and method for corona discharge pollutant destruction apparatus | Weldon S. Williamson, John H. S. Wang | 1998-12-08 |
| 4977329 | Arrangement for shielding electronic components and providing power thereto | Wilfred O. Eckhardt, Weldon S. Williamson, Ronald R. Robson | 1990-12-11 |
| 4835669 | Dual mode flyback power supply | Ronald R. Robson | 1989-05-30 |
| 4757432 | Series resonant inverter with integrating feedback control loop | — | 1988-07-12 |
| 4733530 | Emission current control system for multiple hollow cathode devices | John R. Beattie | 1988-03-29 |
| 4638149 | Power-processing unit | Frank J. Wessel | 1987-01-20 |