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DATAMP Patents by Date for December 1915
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
71,162,871----[datamp][all]
141,163,733----[datamp][all]
211,164,694----[datamp][all]
281,165,380----[datamp][all]