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DATAMP Patents by Date for December 1819
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
2---X3,143-[datamp] 
8---X3,144-[datamp] 
13---X3,145-[datamp] 
14---X3,146-[datamp] 
15---X3,148-[datamp] 
21---X3,150-[datamp] 
24---X3,154-[datamp] 
31---X3,157-[datamp]