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DATAMP Patents by Date for July 1931
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
71,813,002----[datamp][all]
141,814,014----[datamp][all]
211,815,037----[datamp][all]
281,815,980----[datamp][all]