Patents Granted on 1831-03-21


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Patents Granted on 1831-03-21
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
6,427X	Mar. 21, 1831	N. Millis	Manufacturing boots and shoes with nails and pegs	nail making machines
6,428X	Mar. 21, 1831	G. Shetter	Wood auger	auger bits
6,429X	Mar. 21, 1831	A.W. Summers	Float and tooth thrashing machine	miller