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DATAMP Patents by Date for April 1968
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
23,375,616----[datamp][all]
93,376,769----[datamp][all]
163,377,642RE26,377---[datamp][all]
233,378,901----[datamp][all]
303,380,494----[datamp][all]