Patents Granted on 1832-03-21


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Patents Granted on 1832-03-21
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
6,971X	Mar. 21, 1832	J. Hatch	Printing machinery	printer
6,972X	Mar. 21, 1832	W. Coleman, Jr., A. Look	Separating grain, grass seeds, rice, etc. from straw	threshers and thrashers