JB

Joseph Beller

CD Carter Duncan: 1 patents #3 of 5Top 60%
Overall (All Time): #3,968,604 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4644289 Variable power amplifier for audio frequency signals and method Bruce Laurence Kennedy, Roger A. Modjeski 1987-02-17