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DATAMP Patents by Date for April 1924
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
11,488,657----[datamp][all]
81,489,381----[datamp][all]
151,490,220----[datamp][all]
221,490,902----[datamp][all]
291,491,942----[datamp][all]