Patents for William H. Barker


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Patents for William H. Barker
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	753,186	Feb. 23, 1904	G.E. Wood	Process For Making Hand Tools
	765,302	Jul. 19, 1904	G.E. Wood	Screw Driver
	793,602	Jun. 27, 1905	V.L. Lenard, J. Murdock	Protractor