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All Patents in class 474/189
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	593,366	Nov. 09, 1897	H.R. Tillison	Belt-pulley
	D30,347	Mar. 14, 1899	M.F. Williams	Design for a pulley
	D30,348	Mar. 14, 1899	M.F. Williams	Design for a pulley
	740,258	Sep. 29, 1903	G.A. Ensign	Belt-pulley
	3,961,736	Jun. 08, 1976	J.J. Fatula	Rubber-covered self-centering rolls

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