FJ

Francis G. Joyal

BL Bell Telephone Laboratories: 1 patents #567 of 1,445Top 40%
📍 Groveland, MA: #42 of 77 inventorsTop 55%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #4,067,113 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4321568 Waveguide filter employing common phase plane coupling Chung-Li Ren 1982-03-23