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

DATAMP Patents by Date for January 1933
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
31,892,813----[datamp][all]
101,893,566----[datamp][all]
171,894,307----[datamp][all]
241,895,122----[datamp][all]