Patents Granted on 1810-06-16


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Patents Granted on 1810-06-16
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,319X	Jun. 16, 1810	J. Perkins	Copperplate printing and mode of preventing counterfeits	printer
1,320X	Jun. 16, 1810	J. Hines	Trip hammer	blacksmith