RH

Roger L. Haymaker

📍 Collinsville, OK: #28 of 61 inventorsTop 50%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,628,987 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6126015 Solids separating device for different sized materials — 2000-10-03