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DATAMP Patents by Date for February 1920

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 3 1,329,423 - - - - [datamp] [all] 10 1,330,053 - D54,394 - - [datamp] [all] 17 1,330,897 - - - - [datamp] [all] 24 1,331,490 - D54,516 - - [datamp] [all]