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DATAMP Patents by Date for January 1940
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
22,185,304----[datamp][all]
92,186,168----[datamp][all]
162,187,170-D118,582--[datamp][all]
232,188,027----[datamp][all]
302,188,594-D118,700--[datamp][all]