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DATAMP Patents by Date for April 1893
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
4494,631----[datamp][all]
11495,019----[datamp][all]
18495,565----[datamp][all]
25496,001----[datamp][all]