Adjustable abrasive sharpener | Patent Number 08944894
US 08944894 B2Filled DateOct 25, 2012
Priority DateOct 25, 2012
Publication DateMay 1, 2014
Expiration DateOct 24, 2032
Inventor/ApplicantsLouis Chalfant
Richard S. Smith
Richard S. Smith
ExaminesNGUYEN, GEORGE BINH MINH
Art Unit3723
Technology Center3700
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