All Patents in class 60/542


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All Patents in class 60/542
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	49,593	Aug. 22, 1865	H. Shattuck	Improved Atmospheric Hammer
	1,145,983	Jul. 13, 1915	J.B. French	Cushioning Piston for Power Hammers or the Like