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Patents Granted on 1810-02-21
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,218XFeb. 21, 1810N. ShalerSystem of signals for vessels
1,219XFeb. 21, 1810M.L. MorsePendulum scale
1,220XFeb. 21, 1810E. RaymondCheese presscheese press
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