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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
1981-10-134,295,2262,54000
1981-10-1330,773-4,264,45300
1981-10-13261,319230,54600
1981-10-20261,44412506
1981-10-204,296,4964,035,05206
1981-10-2030,781-4,265,71506
1981-10-274,297,7454,266,96403
1981-10-2730,785-4,266,96003
1981-10-27261,569230,78403
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 Clicks in the withdrawn column will bring up a page showing withdrawn patents that were originally issued on the grant date for the selected row.