RB

Ralph F. Bloch

📍 Hamilton, CA: #2 of 21 inventorsTop 10%
Overall (1989): #68,077 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4824104 Isokinetic exercise method and apparatus, using frictional braking — 1989-04-25