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Patents for Thomas H. Grigg
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	205,543	Jul. 02, 1878	G.G. Stillman, T.H. Grigg	Improvement in Compasses
	1,054,687	Mar. 04, 1913	T.H. Grigg	Wrench

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