Patents for Edward P. Allen


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Patents for Edward P. Allen
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	139,407	May 27, 1873	E. McCoy	Improvement in Lubricators for Steam-Engines
	146,697	Jan. 20, 1874	E. McCoy	Improvement in Steam-Lubricators