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DATAMP Patents by Date for May 1948
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,440,584----[datamp][all]
112,441,144-D149,581--[datamp][all]
182,441,552-D149,675--[datamp][all]