EP

Edwin H. Phelps

AP American Cast Iron Pipe: 1 patents #13 of 24Top 55%
🗺 Alabama: #3,421 of 10,951 inventorsTop 35%
Overall (All Time): #2,369,687 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4298634 Method for coating cylindrical surfaces 1981-11-03
4254165 Method of forming a filled polymer coating on an internal cylindrical surface and article produced thereby William E. Snow 1981-03-03