Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5818245 | Impedance measuring | — | 1998-10-06 |
| 5541827 | Reducing switching losses in a phase-modulated switch-mode amplifier | — | 1996-07-30 |
| 5287065 | Automatic bridge balancing using controllable impedance in characterizing unknown impedance | — | 1994-02-15 |
| 4973919 | Amplifying with directly coupled, cascaded amplifiers | — | 1990-11-27 |
| 4541040 | Power converting | — | 1985-09-10 |
| 4510354 | Current tap selecting switch | — | 1985-04-09 |
| 4454480 | Amplifying with cascaded class B amplifiers | John E. Levreault | 1984-06-12 |