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All Patents in class 72/455
Patents 1 - 6 of 6
Picture	Number	Date	Patentee	Title
	27,925	Apr. 17, 1860	M. Peck	Atmospheric Hammer
	393,055	Nov. 10, 1888	W.J. Bayrer	Tinman's Flanging Machine
	434,960	Aug. 26, 1890	E.E. Stow	Tinsmith's Machine
	1,246,184	Nov. 13, 1917	H. Terhune	Drop-hammer
	1,807,455	May 26, 1931	H. Terhune	Forging hammer
	2,875,652	Mar. 03, 1959	W.A. Ehlert	Vertically Divided Forging Press Frame

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