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Ruhl A. Barker

Monticello, IA: #1 of 2 inventorsTop 50%

Iowa: #361 of 1,342 inventorsTop 30%

Overall (2011): #177,365 of 364,097Top 50%

1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7975649	Livestock waterer	—	2011-07-12