WG

William B. Grupen

BL Bell Telephone Laboratories: 1 patents #567 of 1,445Top 40%
📍 Emmaus, PA: #251 of 365 inventorsTop 70%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,095,214 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4284970 Fabrication of film resistor circuits Lloyd Berrin, Howard M. Cohen, James D. McElroy 1981-08-18