All Patents in class 72/208


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All Patents in class 72/208
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	924,828	Jun. 15, 1909	S.A. James, J.A. Pittman	Pipe Joining Machine
	3,120,207	Feb. 04, 1964	C.L. Sporck	Metal Working
	3,262,300	Jul. 26, 1966	C.W. Kaesemeyer	Process and Tool for Precision Slot Finishing