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DATAMP Patents by Date for March 1858
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
219,480RE533---[datamp][all]
919,536----[datamp][all]
1619,619----[datamp][all]
2319,692----[datamp][all]
3019,747----[datamp][all]