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USPTO Patent Rankings Data through Sept 30, 2025
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Tanja Zeif

3M: 1 patents #7,233 of 11,543Top 65%
Fridolfing, DE: #14 of 19 inventorsTop 75%
Overall (All Time): #3,402,550 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7304101 Method of purifying a dispersion of ionic fluoropolymer Klaus Hintzer, Kai H. Lochhaas, Steven J. Hamrock, Harold Todd Freemyer 2007-12-04