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DATAMP Patents by Date for January 1870
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
498,475----[datamp][all]
1198,666----[datamp][all]
1898,847RE3,799---[datamp][all]
2599,057-D3,821--[datamp][all]