JK

John J. Kelmar

📍 McKeesport, PA: #2 of 13 inventorsTop 20%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #94,657 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4820313 Coal processing method and apparatus — 1989-04-11