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DATAMP Patents by Date for September 1981
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
1--D260,476--[datamp][all]
84,288,185----[datamp][all]
154,288,909----[datamp][all]
224,290,329----[datamp][all]
294,291,597----[datamp][all]