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DATAMP Patents by Date for April 1897
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
6579,951----[datamp][all]
13580,387-D26,884--[datamp][all]
20580,905-D26,943--[datamp][all]
27581,267----[datamp][all]