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DATAMP Patents by Date for April 1803
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
4---X441-[datamp] 
6---X443-[datamp] 
11---X444-[datamp] 
22---X445-[datamp] 
27---X446-[datamp]