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Patents for Laird & Sweeney Mfg. Co.
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	477,159	Jun. 14, 1892	R.B. Laird, J.B. Sweeney	Power Hammer
	529,634	Nov. 20, 1894	R.W. Laird, J.B. Sweeney	Power Hammer

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