RD

Roger W. Doering

DE Digital Electronics: 2 patents #1 of 1Top 100%
📍 Hayward, CA: #3 of 35 inventorsTop 9%
🗺 California: #676 of 10,592 inventorsTop 7%
Overall (1989): #17,311 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4868912 Infrared touch panel 1989-09-19
4812830 Touch panel display assembly 1989-03-14