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DATAMP Patents by Date for November 1981
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
34,297,950----[datamp][all]
104,299,377----[datamp][all]
174,300,418----[datamp][all]
244,301,600----[datamp][all]