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Patents Granted on 1825-08-??
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
4,171XAug. 23, 1825E. SkinnerPreponderating scale
4,172XAug. 23, 1825C.S. RafinesqueMode of making divitials and preventing forgery
FX-4,172Aug. 23, 1825S. Abbot, J. PrentisMode of manufacturing window and bed curtainscurtains
4,173XAug. 24, 1825J. MooreMethod of pressing bricksbrick maker
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