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DATAMP Patents by Date for August 1928
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
41,683,384----[datamp][all]
71,679,457----[datamp][all]
141,680,291----[datamp][all]
211,681,184-D76,122--[datamp][all]
281,682,310----[datamp][all]