FM

Frederick G. McMullen

📍 Gwynedd Valley, PA: #3 of 4 inventorsTop 75%
🗺 Pennsylvania: #204 of 2,652 inventorsTop 8%
Overall (1982): #14,250 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4321150 Process for wastewater treatment and wastewater sludge conversion into energy 1982-03-23
4321151 Process for wastewater treatment and wastewater sludge conversion into energy 1982-03-23