DF

Douglas R. Frey

📍 Bethlehem, PA: #8 of 50 inventorsTop 20%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #119,666 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4823093 Dynamically biased voltage controlled element — 1989-04-18