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DATAMP Patents by Date for April 1831
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
1---X6,440-[datamp] 
4---X6,443-[datamp] 
5---X6,444-[datamp] 
6---X6,448-[datamp] 
7---X6,454-[datamp] 
8---X6,461-[datamp] 
9---X6,465-[datamp] 
11---X6,467-[datamp] 
12---X6,471-[datamp] 
13---X6,474-[datamp] 
14---X6,476-[datamp] 
15---X6,480-[datamp] 
16---X6,482-[datamp] 
18---X6,487-[datamp] 
19---X6,492-[datamp] 
20---X6,496-[datamp] 
21---X6,501-[datamp] 
22---X6,507-[datamp] 
23---X6,512-[datamp] 
25---X6,518-[datamp] 
26---X6,519-[datamp] 
27---X6,521-[datamp] 
28---X6,524-[datamp] 
29---X6,526-[datamp] 
30---X6,528-[datamp]