All Patents in class 474/71


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All Patents in class 474/71
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	252,231	Jan. 10, 1882	H. Loed	Mechanical Movement
	495,296	Apr. 11, 1893	J.W. Boynton	Speed Regulating Device for Lathes
	3,192,798	Jul. 06, 1965	W.E. Twamley	Spindle Transmission