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DATAMP Patents by Date for April 1878
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
2201,908RE8,150---[datamp][all]
9202,089RE8,162---[datamp][all]
16202,429----[datamp][all]
23202,667RE8,198---[datamp][all]
30202,918-D10,656--[datamp][all]