DA

Douglas Lorrimer Armstrong

📍 Needham, MA: #7 of 31 inventorsTop 25%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #120,037 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855842 Dedicated programmable controller for interactive video disc system John B. Hayes 1989-08-08