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DATAMP Patents by Date for December 1918
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
31,286,231----[datamp][all]
101,286,977----[datamp][all]
171,287,619----[datamp][all]
241,288,543----[datamp][all]
311,289,228----[datamp][all]