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

DATAMP Patents by Date for December 1940
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
32,223,732----[datamp][all]
102,224,184----[datamp][all]
172,225,049-D124,057--[datamp][all]
242,225,731-D124,223--[datamp][all]
312,226,756----[datamp][all]