Patents for Margaret E. Woolley


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Patents for Margaret E. Woolley
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	714,811	Dec. 02, 1902	W.D. Litchfield	Brush-holder
	890,697	Jun. 16, 1908	J.E. Noeggerath	Protective device for unipolar machines
	1,034,357	Jul. 30, 1912	H. Geisenhoner	Hand Screw-Clamp