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

DATAMP Patents by Date for May 1923
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
11,453,607----[datamp][all]
81,454,320----[datamp][all]
151,455,042----[datamp][all]
291,456,620----[datamp][all]