All Patents in class 72/158


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All Patents in class 72/158
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	842,111	Jan. 22, 1907	C.A. Smith, H.A. Pedrick	Pipe Bending Machine
	878,604	Feb. 11, 1908	L.H. Brinkman	Machine for Bending Pipe
	2,514,831	Jul. 11, 1950	C.J. Bath	Apparatus for Selectively Wipe Forming and Stretch Forming Metal Stock