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DATAMP Patents by Date for December 1957
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,814,964-D181,598--[datamp][all]
102,815,582-D181,651--[datamp][all]
172,816,462----[datamp][all]
242,817,151----[datamp][all]
312,818,002----[datamp][all]