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John Steffan

ZI Zurn Industries: 1 patents #109 of 183Top 60%
📍 Erie, PA: #632 of 1,097 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,889,054 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5062453 On demand sensor flush valve Robert E. Saadi, Allen R. Becker, Christopher J. Ball 1991-11-05