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DATAMP Patents by Date for September 1879
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
2219,086----[datamp][all]
9219,366RE8,890---[datamp][all]
16219,574----[datamp][all]
23219,808-D11,425--[datamp][all]
30220,062RE8,916---[datamp][all]