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Michael R. Berringan

3M: 1 patents #7,233 of 11,543Top 65%
Overall (All Time): #3,836,161 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5256466 Article for liquid containment and recovery Harold J. Seppala 1993-10-26