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DATAMP Patents by Date for June 1922
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,418,328----[datamp][all]
131,419,310----[datamp][all]
201,420,029----[datamp][all]
271,420,635RE15,394---[datamp][all]