ES

Edward H. Greenwald, Sr.

📍 McMurray, PA: #1 of 4 inventorsTop 25%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #67,786 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4323281 Method of surface mining Edward H. Greenwald, Jr., Frederick R. Bonci 1982-04-06