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R. Douglas Evans, JR.

NPNew Pig: 1 patents #1 of 3Top 35%
Everett, PA: #1 of 2 inventorsTop 50%
Pennsylvania: #1,792 of 6,061 inventorsTop 30%
Overall (2011): #191,173 of 364,097Top 55%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7950075 Protective cover for preventing spilled liquids from flowing into drains or holes Patrick E. Healy, Matthew J. Huff 2011-05-31

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