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John J. Stephansky

HR Harbison-Walker Refractories: 1 patents #1 of 3Top 35%
📍 Johnstown, PA: #5 of 14 inventorsTop 40%
🗺 Pennsylvania: #1,270 of 5,047 inventorsTop 30%
Overall (2004): #186,707 of 270,089Top 70%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6688884 Rotary kiln heat exchanger and method of assembling same John Thibault, John N. Snyder 2004-02-10