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DATAMP Patents by Date for December 1990
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
44,974,332----[datamp][all]
114,976,013----[datamp][all]
184,977,805----[datamp][all]
254,980,845----[datamp][all]