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DATAMP Patents by Date for January 1917
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,210,450-D50,119--[datamp][all]
91,211,431----[datamp][all]
161,212,194-D50,212--[datamp][all]
231,213,167----[datamp][all]
301,213,888----[datamp][all]