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DATAMP Patents by Date for June 1923
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,457,774----[datamp][all]
121,458,411----[datamp][all]
191,459,010----[datamp][all]
261,459,720----[datamp][all]