O. R. Shumaker

📍 Sun Lakes, AZ: #18 of 28 inventorsTop 65%

🗺 Arizona: #18,403 of 32,909 inventorsTop 60%

Overall (All Time): #4,001,209 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4609303	Slip-form for concrete pathways	—	1986-09-02