Patents for Isaac Hall


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Patents for Isaac Hall
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	8,781X	Apr. 22, 1835	I. Hall	Rotary pumps
	75,413	Mar. 10, 1868	I. Hall	Improvement in machines for carving in wood
	78,279	May 26, 1868	I. Hall	Improvement in wood-carving machines