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All Patents in class 116/102
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,915	Dec. 28, 1840	R. Porter	Fire-alarm
	2,040	Apr. 10, 1841	R. Porter, J.F. Schermerhorn	Improvement in agricultural machines for tilling and planting at the same operation

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