Patents Granted on 1831-10-05


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Patents Granted on 1831-10-05
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
6,785X	Oct. 05, 1831	C. Bechtler	Gold Washing	ore processing apparatus
6,786X	Oct. 05, 1831	C. Bechtler	Machine for washing gold from sand and pounded ore	ore processing apparatus