All Patents in class 72/118


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All Patents in class 72/118
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	383,111	May 22, 1888	J. Duffy	Tube Expander
	844,215	Feb. 12, 1907	F.W. Shupert, A.B. Todd	Tool and Holder for Rolling, Expanding and Beading Boiler Tubes
	1,114,351	Oct. 20, 1914	C.L. Heisler	Pipe Expanding and Beading Machine