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DATAMP Patents by Date for September 1913
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,071,970----[datamp][all]
91,072,422-D44,646--[datamp][all]
161,073,112-D44,649--[datamp][all]
231,073,600----[datamp][all]
301,074,113----[datamp][all]