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DATAMP Patents by Date for May 1942
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
52,281,566----[datamp][all]
122,282,473----[datamp][all]
192,283,258----[datamp][all]
262,284,090----[datamp][all]