Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6343027 | Transformerless high voltage inverter using a fourth-order impedance network | — | 2002-01-29 |
| 4424491 | Automatic voltage imbalance detector | Ronald E. Bobbett, J. Byron McCormick | 1984-01-03 |
| 4232698 | Pressure relief valve with pressure indicating means | Craig Hosterman | 1980-11-11 |