RD

Roger W. Doering

DE Digital Electronics: 3 patents #8 of 19Top 45%
Overall (All Time): #1,666,456 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4893120 Touch panel using modulated light Colin F. McManus 1990-01-09
4868912 Infrared touch panel — 1989-09-19
4812830 Touch panel display assembly — 1989-03-14