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DATAMP Patents by Date for May 1938
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,116,122-D109,498--[datamp][all]
102,116,541-D109,628--[datamp][all]
172,117,300----[datamp][all]
242,118,358----[datamp][all]
312,118,912-D109,879--[datamp][all]