Patents for F. A. Langworthy


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Patents for F. A. Langworthy
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	54,010	Apr. 17, 1866	C.L. Pierce	Improvement in shingle machines
	60,048	Nov. 27, 1866	G. Parr	Improvement in the Manufacture of Cutlery
	66,343	Jul. 02, 1867	H.F. Holt	Shifting Rail