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DATAMP Patents by Date for January 1923
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,440,381----[datamp][all]
91,441,365----[datamp][all]
161,442,083----[datamp][all]
231,443,150----[datamp][all]
301,443,347----[datamp][all]