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DATAMP Patents by Date for December 1913
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,079,997----[datamp][all]
91,080,536----[datamp][all]
161,081,396RE13,657---[datamp][all]
231,081,993----[datamp][all]
301,082,521----[datamp][all]