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Patents for Henry St. Lawrence
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	333,486	Dec. 29, 1885	H. St. Lawrence	Forging Machine
	335,394	Feb. 02, 1886	H. St. Lawrence	Power Hammer
	379,340	Mar. 13, 1888	H. St. Lawrence	Power-hammer

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