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DATAMP Patents by Date for March 1948
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
22,436,950----[datamp][all]
92,437,296-D148,957--[datamp][all]
232,438,239-D149,052--[datamp][all]
302,438,508----[datamp][all]