WS

Walter Sieckman

PE Pennsylvania Engineering: 1 patents #1 of 5Top 20%
📍 Pittsburgh, PA: #55 of 224 inventorsTop 25%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #24,964 of 81,411Top 35%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4365992 Method of treating ferrous metal — 1982-12-28