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PERRY TRAVIS
US4 patents
Top patents by PatentIndex Score
US8969694B2Mar 3, 2015
Chord playing attachment
PERRY TRAVIS6 citations82
US8835731B1Sep 16, 2014
Chord playing attachment apparatus
PERRY TRAVIS12 citations82
US9401096B1Jul 26, 2016
Chord playing attachment apparatus
PERRY TRAVIS2 citations60
US9576497B2Feb 21, 2017
Chord playing attachment
PERRY TRAVIS1 citations50