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All Patents in class 81/7
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	94,208	Aug. 31, 1869	C. Hopkins	Re-Jewelling Watches
	451,712	May 05, 1891	A. Hartung	Watch Makers Jewel Setting Cutter
	1,144,795	Jun. 29, 1915	E.C. Schmelzkopf	Boring Bar
	2,181,971	Dec. 05, 1939	I. Gaston	Pallet and Roller Jewel Setter

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