JF

Joseph Frenna

CD Com Dev: 1 patents #33 of 86Top 40%
Overall (All Time): #3,968,608 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

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