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DATAMP Patents by Date for December 1909
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
7942,081----[datamp][all]
14942,920----[datamp][all]
21943,757----[datamp][all]
28944,306----[datamp][all]