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DATAMP Patents by Date for May 1922
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,414,550----[datamp][all]
91,415,251----[datamp][all]
161,416,271----[datamp][all]
231,416,685-D60,978--[datamp][all]
301,417,496----[datamp][all]