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DATAMP Patents by Date for January 1915
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,123,243----[datamp][all]
121,124,311----[datamp][all]
191,125,479----[datamp][all]
261,125,945----[datamp][all]