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DATAMP Patents by Date for May 1813
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
4---X1,916-[datamp] 
6---X1,920-[datamp] 
10---X1,923-[datamp] 
11---X1,924-[datamp] 
12---X1,925-[datamp] 
27---X1,927-[datamp] 
28---X1,929-[datamp] 
29---X1,933-[datamp]