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DATAMP Patents by Date for December 1880
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
7235,077----[datamp][all]
14235,352----[datamp][all]
21235,716RE9,508---[datamp][all]
28235,878----[datamp][all]