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Patents for David H. Coles
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
424,274	Mar. 25, 1890	D.H. Coles, J.L. Coles	Parallel Jaw Tool	pliers
933,960	Sep. 14, 1909	D.H. Coles	Internal Combustion Engine	exhaust mechanisms

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