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DATAMP Patents by Date for December 1840
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
11,879----[datamp][all]
51,882----[datamp][all]
101,895----[datamp][all]
281,919RE29---[datamp][all]