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DATAMP Patents by Date for December 1886
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
7353,669----[datamp][all]
14354,085----[datamp][all]
21354,538----[datamp][all]
28354,881----[datamp][all]