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DJ

David De John

Oak Forest, IL: #4 of 13 inventorsTop 35%
Illinois: #2,058 of 6,921 inventorsTop 30%
Overall (2011): #324,590 of 364,097Top 90%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7918920 Assembly and process for improving combustion emissions of a combustion apparatus 2011-04-05