RH

Roy B. Hammer

📍 McMurray, PA: #5 of 14 inventorsTop 40%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #63,165 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4825999 Chain drive apparatus — 1989-05-02