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DATAMP Patents by Date for November 1958
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,858,918----[datamp][all]
112,859,780----[datamp][all]
182,860,408----[datamp][all]
252,861,328----[datamp][all]