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Patents for Edward P. Armstrong
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	426,357	Apr. 22, 1890	E.P. Armstrong	Attachment for saw-mill
	1,771,602	Jul. 29, 1930	R.S. Jackson, E.P. Armstrong	Grinder for Concave Saw Teeth

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