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

DATAMP Patents by Date for April 1935
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
21,996,155----[datamp][all]
91,996,825----[datamp][all]
161,997,672-D95,289--[datamp][all]
231,998,557----[datamp][all]
301,999,197----[datamp][all]