RK

Robert A. Koptis

📍 Brook Park, OH: #2 of 6 inventorsTop 35%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #62,546 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4827855 Method of operating a smokeless pyrolysis furnace with ramp and soak temperature control system Robert F. Heran 1989-05-09