All Patents in class 188/317


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All Patents in class 188/317
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,145,983	Jul. 13, 1915	J.B. French	Cushioning Piston for Power Hammers or the Like
	1,172,410	Feb. 22, 1916	W.E. Villinger	Clutch-controlling means