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

DATAMP Patents by Date for February 1981
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
34,248,115----[datamp][all]
104,250,551----[datamp][all]
174,250,624----[datamp][all]
244,252,038----[datamp][all]