9 January 1980
On 9 January 1980, the European Patent Office announced the first grants of European patents in the European Patent Bulletin 1980/01.
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9 January 1931
On 9 January 1931, Thomas Edison filed his final patent application, baased on an earlier application filed in 1926. It was granted posthumously on 16 May 1933, as US Patent No. 1,908,830 for a “Holder for article to be electroplated”.