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DATAMP Patents by Date for December 1948
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
72,455,552----[datamp][all]
142,456,060----[datamp][all]
212,456,762-D152,155--[datamp][all]
282,457,382-D152,193--[datamp][all]