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DATAMP Patents by Date for May 1930
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
61,757,155----[datamp][all]
131,758,013----[datamp][all]
201,759,130----[datamp][all]
271,760,257-D81,221--[datamp][all]