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DATAMP Patents by Date for June 1939
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
62,160,966----[datamp][all]
132,161,989-D115,256--[datamp][all]
20--D115,299--[datamp][all]
272,163,595-D115,416--[datamp][all]