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DATAMP Patents by Date for January 1938
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
42,104,158-D107,805--[datamp][all]
112,105,054----[datamp][all]
182,105,679-D107,970--[datamp][all]
252,106,216-D108,143--[datamp][all]