Patents for David M. Mefford


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Patents for David M. Mefford
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	18,922	Dec. 22, 1857	D.M. Mefford	Corn Husker
	28,884	Jun. 26, 1860	D.M. Mefford	Corn Husker
	159,597	Feb. 09, 1875	D.M. Mefford	Improvement in Weather-Board Gages