Patents for Henry D. Heiser


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Patents for Henry D. Heiser
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	126,634	May 14, 1872	H.D. Heiser, H.F. Snyder, G.S. Snyder	Improvement in machines for heading pickets
	301,984	Jul. 15, 1884	H.D. Heiser	Wood-boring machine