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DATAMP Patents by Date for January 1941
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
72,228,037----[datamp][all]
142,228,326----[datamp][all]
212,229,176----[datamp][all]
282,229,663----[datamp][all]