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All Patents in class 33/425
Patents 1 - 7 of 7
Picture	Number	Date	Patentee	Title
	AI280	May 15, 1860	J. Lyman	Protractor
	433,084	Jul. 29, 1890	D.J. Kelsey	Protractor
	490,121	Jan. 17, 1893	H.J. Leighton	Protractor Bevel
	587,637	Aug. 03, 1897	E. Bausch	Prism gage
	744,963	Nov. 24, 1903	C.T. Frantz	Machinist's Protractor
	776,817	Dec. 06, 1904	F.E. Vandercook	Protractor
	924,675	Jun. 15, 1909	W.H. Krueger, C.E. Krueger	Combination Gage and Bevel Square

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