John A. Leam

📍 Berkvam Road, PA: #85 of 152 inventorsTop 60%

🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%

Overall (All Time): #4,062,326 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4421037	Waste material treatment furnace	—	1983-12-20