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DATAMP Patents by Date for April 1885
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
7315,006----[datamp][all]
14315,502----[datamp][all]
21316,079----[datamp][all]
28316,530----[datamp][all]