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DATAMP Patents by Date for October 1939
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,174,758-D116,951--[datamp][all]
102,175,237----[datamp][all]
172,176,418-D117,210--[datamp][all]