RD

Richard B. Dingwall

Xerox: 2 patents #3,932 of 8,622Top 50%
Overall (All Time): #2,293,959 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5307188 Color liquid crystal display with dead front appearance having opaque mask formed on the primary display Lowell W. Knapp, John H. Steele, James S. Celebi, Virgil Joseph Hull 1994-04-26
5220442 Method of making color liquid crystal display with dead front appearance Lowell W. Knapp, John H. Steele, James S. Celebi, Virgil Joseph Hull 1993-06-15