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DATAMP Patents by Date for February 1881
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
1237,161----[datamp][all]
8237,409RE9,553---[datamp][all]
15237,713RE9,574---[datamp][all]
22237,962RE9,582---[datamp][all]