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DATAMP Patents by Date for February 1821
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
1---X3,287-[datamp] 
2---X3,290-[datamp] 
5---X3,291-[datamp] 
9---X3,292-[datamp] 
17---X3,293-[datamp] 
19---X3,295-[datamp] 
20---X3,298-[datamp] 
21---X3,301-[datamp] 
27---X3,304-[datamp] 
28---X3,305-[datamp]