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DATAMP Patents by Date for March 1909
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
2913,691----[datamp][all]
9914,601----[datamp][all]
16915,096----[datamp][all]
23916,028RE12,930---[datamp][all]
30916,520----[datamp][all]