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DATAMP Patents by Date for December 1951
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,576,966----[datamp][all]
112,577,943----[datamp][all]
182,578,686----[datamp][all]
252,579,911----[datamp][all]