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DATAMP Patents by Date for March 1942
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,274,923-D131,498--[datamp][all]
102,275,788----[datamp][all]
172,276,462-D131,656--[datamp][all]
242,277,236----[datamp][all]