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All Patents in class 72/117
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
333,410Dec. 29, 1885M.E. HawkinsDevice for Upsetting the Ends of Metal Pipespipe and tube expanders
439,496Oct. 28, 1890B.B. FarrisBoiler Flue Beaderboilermaker
800,764Oct. 03, 1905J.J. RigbyNecking-machinemetalworking machines
844,215Feb. 12, 1907F.W. Shupert, A.B. ToddTool and Holder for Rolling, Expanding and Beading Boiler Tubesboiler repair tools
933,981Sep. 14, 1909P.J. HaveyMetal Working Machineupsetting machines
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