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DATAMP Patents by Date for March 1918
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
51,258,035----[datamp][all]
121,258,695----[datamp][all]
191,259,545----[datamp][all]
261,260,326-D51,897--[datamp][all]