On January 27, 1880, Thomas A. Edison received a patent for”an electric lamp for giving light by incandescence”.
Edison famously summarized his quest for the incandescent lamp with, “I have not failed. I’ve just found 10,000 ways that won’t work”.
Patent Information
Publication number: US223898 A
Patent Title: Electric lamp
Publication type: Grant
Publication date: 27 Jan 1880
Filing date: 4 Nov 1879
Priority date: 4 Nov 1879
Inventors: Thomas Alva Edison
Original Assignee: Thomas Alva Edison