Patents for Calvin A. Foster


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Patents for Calvin A. Foster
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	79,709	Jul. 07, 1868	J. Weare	Surface File Handle
	102,105	Apr. 19, 1870	C.A. Foster	Improvement in combination tool
	116,943	Jul. 11, 1871	C.A. Foster	Improvement in apple-parers and slicers