Patents for George F. Hawley


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Patents for George F. Hawley
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	35,935	Jul. 22, 1862	G.F. Hawley	Improvement in machines for filing saws
	152,487	Jun. 30, 1874	G.F. Hawley	Device for Centering Cylinders
	152,488	Jun. 30, 1874	G.F. Hawley	Improvement in Carpenters' Gages and Trams