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DATAMP Patents by Date for April 1879
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
1213,734----[datamp][all]
8214,000----[datamp][all]
15214,257----[datamp][all]
22214,490----[datamp][all]
29214,755RE8,691---[datamp][all]