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DATAMP Patents by Date for January 1922
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
31,401,956----[datamp][all]
101,402,774----[datamp][all]
171,403,606-D60,270--[datamp][all]
241,404,337----[datamp][all]
311,404,794----[datamp][all]