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DATAMP Patents by Date for April 1866
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
353,567-D2,293--[datamp][all]
1053,783----[datamp][all]
1753,961RE2,229---[datamp][all]
2454,090----[datamp][all]