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Patents for Willard H. Griffin
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
499,919Jun. 20, 1893E.P. Nichols, W.H. GriffinAdjustable Wrenchsocket wrenches
499,920Jun. 20, 1893E.P. Nichols, W.H. GriffinAdjustable Wrenchbrace wrenches
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