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DATAMP Patents by Date for March 1947
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,416,697----[datamp][all]
112,417,150----[datamp][all]
182,417,469----[datamp][all]
252,418,059----[datamp][all]