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

DATAMP Patents by Date for February 1891
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
3445,617----[datamp][all]
10445,972----[datamp][all]
17446,442----[datamp][all]
24446,851----[datamp][all]