AJ

Arthur J. Johnson

SC Spectrum Control: 1 patents #8 of 22Top 40%
Overall (All Time): #4,082,686 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4247737 Electromagnetically shielded viewing window Herbert G. Bostrom 1981-01-27