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DATAMP Patents by Date for May 1891
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
5451,477----[datamp][all]
12451,991----[datamp][all]
19452,363----[datamp][all]
26452,772-D20,771--[datamp][all]