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DATAMP Patents by Date for September 1912
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
31,037,217-D42,960--[datamp][all]
101,037,843----[datamp][all]
171,038,543----[datamp][all]
241,039,079----[datamp][all]