Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4922182 | Auto reactance compensated non-contacting resistivity measuring device | — | 1990-05-01 |
| 4853639 | Non-contacting voltage metering apparatus | William Vosteen | 1989-08-01 |
| 4843344 | High voltage amplifier | — | 1989-06-27 |
| 4785237 | Amplifier with D.C. compensation | — | 1988-11-15 |