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DATAMP Patents by Date for September 1840
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,752----[datamp][all]
31,758----[datamp][all]
4----AI33[datamp][all]
101,781----[datamp][all]
141,787----[datamp][all]
191,793----[datamp][all]