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All Patents in class 254/344
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	6,396	Apr. 24, 1849	J.E. Andrews	Variable-power capstan
	771,761	Oct. 04, 1904	T. Barrow	Power Hoist
	1,155,784	Oct. 05, 1915	W.A. Barker	Hoisting-machine
	2,853,273	Sep. 23, 1958	O.O. Berge	Rope drum device
	3,125,200	Mar. 17, 1964	F.A. Kaman	Pneumatic hoist

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