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Patent number:
Patent Date:
Patent Issue Date Details
This table shows patent issue date data.
Grant Date shotgunLast Utility
patent number
Utility Count Datamp CountWithdrawn count
1980-09-024,221,0061,115312
1980-09-094,222,1211,11530
1980-09-164,223,4061,28500
1980-09-1630,406-4,193,00000
1980-09-16256,959226,55300
1980-09-234,224,6913,967,73260
1980-09-304,225,9761,285012
1980-09-3030,409-4,195,567012
1980-09-30257,183226,774012
The 'shotgun' links will bring up a page that lets you quickly click on the utility patents issued on the date selected. Clicks in the Datamp Count column will bring up the patents in the datamp database that have the grant date of the row selected. Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.