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All Patents in class 175/293
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	51,217	Nov. 28, 1865	C.A. Reed	Drill-jar
	446,622	Feb. 17, 1891	F.A. Flanegin	Drill Jar
	631,177	Aug. 15, 1899	H.W. Rank	Jar for Well Drilling Tools

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