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Patents Granted on 1831-03-09
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
6,411XMar. 09, 1831S. BoydenManufacturing malleable cast irontrade specific
6,412XMar. 09, 1831L.F. GallupApplying the principle of Argand to common lampshousehold tools
6,413XMar. 09, 1831J. MichenorWater applied to mill wheelswater wheels
6,414XMar. 09, 1831A. PawlingPropelling railroad carriages
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