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DATAMP Patents by Date for December 1891
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
1464,024----[datamp][all]
8464,492RE11,208---[datamp][all]
15465,003----[datamp][all]
22465,480-D21,253--[datamp][all]
29465,825----[datamp][all]