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Dennis W. Keppers

ML Marathon Petroleum Company Lp: 1 patents #1 of 9Top 15%
📍 Findlay, OH: #9 of 18 inventorsTop 50%
🗺 Ohio: #1,853 of 6,034 inventorsTop 35%
Overall (2011): #317,190 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7988753 Method and apparatus for recovery and recycling of hydrogen Edward P. Fox, Daniel M. Barrett, Larry L. Holt, Edward A. Bullerdiek, James H. Miller 2011-08-02