Home | FAQ Search: Advanced | Person | Company | Type | Class Login
Quick search:
Patent number:
Patent Date:

DATAMP Patents by Date for December 1919
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,323,267----[datamp][all]
91,324,269-D54,235--[datamp][all]
161,324,895----[datamp][all]
231,326,138----[datamp][all]