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

DATAMP Patents by Date for February 1919
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
41,292,995----[datamp][all]
111,293,687----[datamp][all]
181,294,402----[datamp][all]
251,295,180----[datamp][all]