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Roy F. Underwood

📍 Bristol, GB: #5 of 38 inventorsTop 15%
Overall (1989): #60,676 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4888565 Apparatus for generating ultrasonic signals Gordon E. Littleford 1989-12-19