PH

P. Fred Hammers

📍 Barboursville, WV: #8 of 25 inventorsTop 35%
🗺 West Virginia: #803 of 3,425 inventorsTop 25%
Overall (All Time): #1,678,868 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4490898 Method of repairing a water-cooled electrode holder James G. Wilson 1985-01-01
4393565 Method of making a water-cooled electrode holder James G. Wilson 1983-07-19
4342878 Water-cooled electrode holder James G. Wilson 1982-08-03