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DATAMP Patents by Date for November 1952
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,616,162----[datamp][all]
112,617,237----[datamp][all]
182,618,202-D168,215--[datamp][all]
252,618,994----[datamp][all]