Patents for Earle A. Brown


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Patents for Earle A. Brown
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	903,495	Nov. 10, 1908	W.J. Parsons	Coping-Saw Frame
	929,231	Jul. 27, 1909	J.A. Leland	Bit Extension
	936,644	Oct. 12, 1909	J.A. Leland	Chuck
	981,315	Jan. 10, 1911	G.E. Rogers	Means for preventing frictional drag on rotating screw-heads