Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6215733 | Digital drive sonar power amplifier | Edward F. Rynne | 2001-04-10 |
| 5999077 | Voltage controlled variable inductor | Edward F. Rynne, Leopold J. Johnson | 1999-12-07 |
| 5815384 | Transformer which uses bi-directional synchronous rectification to transform the voltage of an input signal into an output signal having a different voltage and method for effectuating same | Leopold J. Johnson | 1998-09-29 |
| 5666047 | Dielectric transformer | Leopold J. Johnson | 1997-09-09 |
| 5329245 | Hybrid high power amplifier | Leopold J. Johnson | 1994-07-12 |
| 5063487 | Main and auxiliary transformer rectifier system for minimizing line harmonics | Leopold J. Johnson | 1991-11-05 |
| 5057697 | DC uninterrupted power supply having instantaneous switching followed by low impedance switching | Robert L. Northup, Alan G. Shimp | 1991-10-15 |
| 5012121 | Electrical power supply for short term power interruptions | Robert L. Northup, Alan G. Shimp, Francis B. Fassnacht | 1991-04-30 |
| 5006972 | Sea water battery power converter | John Leslie Henry | 1991-04-09 |
| 4652319 | Method of curing patches on contoured surfaces | — | 1987-03-24 |
| 4575811 | Vector summation power amplifier | John Leslie Henry | 1986-03-11 |