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All Patents in class 209/232
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	2,466,839	Apr. 12, 1949	H.J. Caldwell	Magnetic separator
	2,564,593	Aug. 14, 1951	H.J. Caldwell	Magnetic separator
	3,341,021	Sep. 12, 1967	K.H. Casson	Magnetic separator

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