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DATAMP Patents by Date for September 1941
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
22,254,229----[datamp][all]
92,255,221----[datamp][all]
162,255,792----[datamp][all]
232,256,607----[datamp][all]
302,257,364----[datamp][all]