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Mark Roppo

Graham, WA: #2 of 4 inventorsTop 50%

Washington: #2,839 of 8,555 inventorsTop 35%

Overall (2011): #222,101 of 364,097Top 65%

1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7918346	Vibrating screen tensioning apparatus and method	Randall O. Parker	2011-04-05