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DATAMP Patents by Date for April 1951
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,547,695-D162,736--[datamp][all]
102,548,188-D162,856--[datamp][all]
172,549,096-D163,002--[datamp][all]
242,550,010----[datamp][all]