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Patents for John Upson
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	41,742	Feb. 23, 1864	H.K. Jones	Improvement in Machines for Stamping Carpenters' Squares
	46,191	Jan. 31, 1865	H.K. Jones	Improved Machine for Indicating Carpenters' Squares

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