All Patents in class 72/117


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All Patents in class 72/117
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	333,410	Dec. 29, 1885	M.E. Hawkins	Device for Upsetting the Ends of Metal Pipes
	439,496	Oct. 28, 1890	B.B. Farris	Boiler Flue Beader
	800,764	Oct. 03, 1905	J.J. Rigby	Necking-machine
	844,215	Feb. 12, 1907	F.W. Shupert, A.B. Todd	Tool and Holder for Rolling, Expanding and Beading Boiler Tubes
	933,981	Sep. 14, 1909	P.J. Havey	Metal Working Machine