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DATAMP Patents by Date for February 1923
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,444,565----[datamp][all]
131,444,825----[datamp][all]
201,445,857----[datamp][all]
271,446,557----[datamp][all]