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All Patents in class 454/67
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	254,582	Mar. 07, 1882	C. Abele	Coffee Roaster
	299,448	May 27, 1884	J.F. Winchell	Forge
	1,840,371	Jan. 12, 1932	E.H. Sheldon	Fume hood
	1,884,304	Oct. 25, 1932	E.H. Sheldon	Fume hood for laboratory tables
	3,564,990	Feb. 23, 1971	P. Smedes	Laboratory equipment having a collapsible canopy

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