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DATAMP Patents by Date for April 1894
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
3517,612----[datamp][all]
10517,848----[datamp][all]
17518,262----[datamp][all]
24518,646----[datamp][all]