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Kelly A. Duffin

Battle Creek, MI: #5 of 31 inventorsTop 20%

Michigan: #1,960 of 6,781 inventorsTop 30%

Overall (2011): #247,393 of 364,097Top 70%

1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D631387	Jewelry bail	Julee M. Knox	2011-01-25