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All Patents in class 269/288
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	7,229	Apr. 02, 1850	H. Aiken	Clamp
	508,055	Nov. 07, 1893	W.C. Shipherd	Pencil-sharpening device
	700,071	May 13, 1902	E.L. McDivitt	Pencil Sharpener
	893,875	Jul. 21, 1908	F. Schneider	Drill Press Chuck

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