JF

Joseph Frenna

CD Com Dev: 1 patents #33 of 86Top 40%
📍 Willowdale, CA: #105 of 211 inventorsTop 50%
Overall (All Time): #3,968,608 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4644305 Odd order elliptic waveguide cavity filters Wai-Cheung Tang, David Siu 1987-02-17