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Jeffrey C. Spangler

3M: 2 patents #5,326 of 11,543Top 50%
📍 Eagan, MN: #420 of 891 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,229,154 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6267865 Electrochemical fluorination using interrupted current Stephen D. Polson, Eric N. Wallace, John C. Smeltzer, Charles F. Kolpin, Ludmila M. Groubina +3 more 2001-07-31
5322597 Bipolar flow cell and process for electrochemical fluorination William V. Childs, Frank W. Klink, John C. Smeltzer 1994-06-21