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DATAMP Patents by Date for September 1881
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
6246,618RE9,857---[datamp][all]
13246,858----[datamp][all]
20247,242----[datamp][all]
27247,558RE9,885---[datamp][all]