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DATAMP Patents by Date for January 1942

This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.

Date Utility Reissue Design X AI Patents 6 2,268,579 - - - - [datamp] [all] 13 2,269,503 - D131,133 - - [datamp] [all] 20 2,270,237 RE22,012 - - - [datamp] [all] 27 2,270,975 - D131,216 - - [datamp] [all]