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DATAMP Patents by Date for November 1890
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
4439,665----[datamp][all]
11440,144----[datamp][all]
18440,621----[datamp][all]
25441,139-D20,347--[datamp][all]