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Patents for John F. Steward
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	455,477	Jul. 07, 1891	J.F. Steward	Drill Bit Extension, Etc.
	460,256	Sep. 29, 1891	J.F. Steward	Handle for rotary tools
	472,591	Apr. 12, 1892	J.F. Steward	Screw-Driver
	580,387	Apr. 13, 1897	J.F. Steward, G.H. Ellis	Explosive Engine

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