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Patents for James B. Roche
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,966,842	Jan. 03, 1961	J.B. Roche	Briquetting machines
	2,984,173	May 16, 1961	W.C. Briggs, J.B. Roche	Extrusion die for briquetting machine

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