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Patent Issue Date Details
This table shows patent issue date data.
Grant Date shotgunLast Utility
patent number
Utility Count Datamp CountWithdrawn count
1981-12-014,304,0041,15806
1981-12-0130,813-4,273,19106
1981-12-01262,154231,34106
1981-12-084,305,1594,043,00503
1981-12-0830,821-4,274,33803
1981-12-08262,239231,41803
1981-12-154,306,3144,044,07536
1981-12-224,307,4691,15533
1981-12-294,308,6211,15206
1981-12-2930,839-4,277,78206
1981-12-29262,494231,65506
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.