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DATAMP Patents by Date for October 1858
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
521,651----[datamp][all]
1221,740----[datamp][all]
1921,809----[datamp][all]
2621,886----[datamp][all]