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DATAMP Patents by Date for September 1929
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
31,726,702----[datamp][all]
101,727,410----[datamp][all]
171,728,220----[datamp][all]
241,729,092----[datamp][all]