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USPTO Patent Rankings Data through Sept 30, 2025
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Cornelia Feil — 2 Patents

Rohm Co.: 2 patents #1,039 of 2,292Top 50%
Langen (Hessen), DE: #35 of 82 inventorsTop 45%
Overall (All Time): #2,330,541 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4829101 Polymer particles and latices thereof for the immobilization of biologically active substances Dieter Kraemer, Werner Siol, Gerhard Markert, Norbert Suetterlin 1989-05-09
4710525 Polymer particles and latices thereof for the immobilization of biologically active substances Dieter Kraemer, Werner Siol, Gerhard Markert, Norbert Suetterlin 1987-12-01