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DATAMP Patents by Date for May 1869
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
489,550RE3,421---[datamp][all]
1189,860----[datamp][all]
1890,068RE3,443---[datamp][all]
2590,338RE3,454---[datamp][all]