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DATAMP Patents by Date for February 1942
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,271,944----[datamp][all]
102,272,273----[datamp][all]
172,273,258----[datamp][all]
242,273,870----[datamp][all]