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DATAMP Patents by Date for December 1889
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
3416,154----[datamp][all]
10416,719----[datamp][all]
17417,216----[datamp][all]
24417,709----[datamp][all]
31418,161----[datamp][all]