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All Patents in class 29/727
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
777,817	Dec. 20, 1904	F.H. Stolp	Machine for making Radiator Tubes	metal bending machines
817,089	Apr. 03, 1906	W. Nicholson, Jr.	Tube-Expander	pipe and tube expanders

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