DG

David Grubb

GI General Instrument: 1 patents #6 of 37Top 20%
📍 Doylestown, PA: #13 of 48 inventorsTop 30%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #123,083 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4815129 Video encryption system John Griffin, Joseph B. Glaab 1989-03-21