Patents Granted on 1863-04-07


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Patents Granted on 1863-04-07
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
38,119	Apr. 07, 1863	S.A. Morse	Twist Drill Bit	twist drill bits
38,135	Apr. 07, 1863	J.S. Shattuck, D. Shattuck	Improved machine for cutting rasps	making files