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DATAMP Patents by Date for December 1937
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
72,101,177----[datamp][all]
142,102,175----[datamp][all]
212,102,782----[datamp][all]
282,103,311----[datamp][all]