Patents for Calvin A. Foster


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