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DATAMP Patents by Date for December 1856
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
216,144----[datamp][all]
916,185----[datamp][all]
1616,222----[datamp][all]
2316,280RE418---[datamp][all]