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

DATAMP Patents by Date for April 1838
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
2664----[datamp][all]
4----AI3[datamp][all]
7681----[datamp][all]
14694----[datamp][all]
16695RE2---[datamp][all]
21699----[datamp][all]
28714----[datamp][all]