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DATAMP Patents by Date for April 1936
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
72,036,206-D99,190--[datamp][all]
142,037,262----[datamp][all]
212,038,165----[datamp][all]
282,038,602-D99,473--[datamp][all]