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DATAMP Patents by Date for April 1819
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
2---X3,090-[datamp] 
3---X3,091-[datamp] 
8---X3,093-[datamp] 
12---X3,094-[datamp] 
23---X3,095-[datamp] 
25---X3,097-[datamp] 
26---X3,098-[datamp] 
29---X3,099-[datamp] 
30---X3,100-[datamp]