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All Patents in class 403/277
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	150,385	Apr. 28, 1874	J. Yerkes	Improvement in wedges for tool-handles
	1,037,289	Sep. 03, 1912	J.W. Miller	Hammer
	1,433,814	Oct. 31, 1922	F.W. Grady	Safety Device For Tools
	2,008,352	Jul. 16, 1935	G.O. Leopold, T.J. Fegley	coupling device for impact tips
	3,452,633	Jul. 01, 1969	E.J. Hammon	Die set shank construction

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