Patents for American Standard Tool Co.


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Patents for American Standard Tool Co.
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	RE3,588	Aug. 10, 1869	A.R. Arnold	Improved machine for making twist-drills
	104,982	Jul. 05, 1870	S.A. Morse	Improvement in grinding-rest for twist-drills