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DATAMP Patents by Date for November 1879
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
4221,172----[datamp][all]
11221,391RE8,961---[datamp][all]
18221,707RE8,966---[datamp][all]
25221,912----[datamp][all]