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

DATAMP Patents by Date for February 1922
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
71,405,393----[datamp][all]
141,406,262----[datamp][all]
211,407,110----[datamp][all]
281,407,724RE15,294---[datamp][all]