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Patents for P. O'Donnell
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	164,453	Jun. 15, 1875	I.W. Heysinger	Improvements in Slide-Wrenches
	RE9,803	Jul. 12, 1881	H.R. Heyl	Device for inserting metallic staples
	275,042	Apr. 03, 1883	I.W. Heysinger	Suspension Wrench For Gas and Other Cocks
	286,610	Oct. 16, 1883	I.W. Heysinger	Bit-brace and washer cutter

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