ES

Edward K. Shum

BH Bell And Howell: 1 patents #131 of 293Top 45%
📍 Villa Park, CA: #111 of 309 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,368,123 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4353099 Tape-recorded signal recovery method and apparatus John Peterson 1982-10-05
4213160 Methods and apparatus for driving information carrier tape Henry M. Martija, Leon E. Head 1980-07-15