JJ

John E. Johanson

JM Johanson Manufacturing: 4 patents #1 of 9Top 15%
Overall (All Time): #1,304,895 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4779067 Microwave phase trimmer 1988-10-18
4464699 Shock proof adjustable low-loss capacitor Arthur William Bunce 1984-08-07
4242716 Differential disc capacitor Norman E. Johanson 1980-12-30
RE30406 Adjustable low-loss capacitor 1980-09-16