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All Patents in class 72/116
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
1,661,367	Mar. 06, 1928	B.F. Helminiak	Tube Flaring Tool	pipe and tube expanders
1,724,697	Aug. 13, 1929	A.C. Dobrick	Flaring Tool
2,483,982	Oct. 04, 1949	J.N. Paquin	Flaring Tool With Multiple Tube Holder and Toolholder Guiding Means	pipe and tube expanders

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