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DATAMP Patents by Date for April 1867
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
263,356RE2,535---[datamp][all]
963,605RE2,551---[datamp][all]
1663,780----[datamp][all]
2363,997RE2,574---[datamp][all]
3064,203RE2,588---[datamp][all]