CM

Charles W. Mayfield

TD The Youngstown Steel Door: 1 patents #2 of 6Top 35%
📍 Youngstown, OH: #3 of 17 inventorsTop 20%
🗺 Ohio: #490 of 2,550 inventorsTop 20%
Overall (1982): #72,331 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4353187 Door repair method and repair section therefor Oliver J. Jenkins 1982-10-12