Issued Patents All Time
Showing 151–152 of 152 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5589796 | Method and apparatus for increasing amplifier efficiency | John J. Janssen, Armin W. Klomsdorf | 1996-12-31 |
| 5404582 | Aural annunciator circuit for a receiver | David M. DeMuro, Tony A. Trandai | 1995-04-04 |