Patent, Incandescing Electric
Lamp, 1883
Image of Patent, Incandescing Electric Lamp, 1883
                                                               Accession ID# 1630, Box 20
                                                                Edison Patent # 287, 519
One of Edison’s 1,093 patents, the Incandescing Electric Lamp was patented on October 30, 1883. Click here to read the text of the patent. Edison’s first practical incandescent electric lamp was successfully tested at his Menlo Park Lab on October 21, 1879. This marked the beginning of the electrical age.