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All Patents in class 172/722
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	29,514	Aug. 07, 1860	W.H. Paine	Surveyor's measure
	79,547	Jul. 07, 1868	G.W. Zeigler, W.D. Burgess	Plow
	79,706	Jul. 07, 1868	T.A. Wainwright	Cotton Plow
	129,057	Jul. 16, 1872	A. Rickard	Improvement in plows
	302,436	Jul. 22, 1884	T.H. Seymour	Hilling-plow

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