FB

Friedrich Bertignoll

BR Bell Northern Research: 1 patents #1 of 3Top 35%
Nortel Networks Limited: 1 patents #33 of 158Top 25%
📍 Ottawa, CA: #28 of 159 inventorsTop 20%
Overall (1989): #115,252 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4817164 Electrostatic discharge protector for an electret microphone Mark Pocock 1989-03-28