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Stanley F. Spangenberg

The Dow Chemical: 4 patents #847 of 4,115Top 25%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,298,615 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5145833 Method for producing ceramic bodies Arthur R. Prunier, Jr., Sunil D. Wijeyesekera 1992-09-08
4448654 Process and anode for molten salt electrolysis Arlington L. Finley, D. James Searson 1984-05-15
4385077 Asbestos treatment with metal oxides Paul A. Pezzoli 1983-05-24
4370216 Electrolytic cell and anode for molten salt electrolysis Arlington L. Finley, D. James Searson 1983-01-25