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DATAMP Patents by Date for November 1925
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
31,559,541----[datamp][all]
101,560,697-D68,725--[datamp][all]
171,561,472----[datamp][all]
241,562,543----[datamp][all]