1893 - Thomas Edison received two U.S. patents. The first was for a "Cut Out for Incandescent Electric Lamps" and another for a "Stop Device" (No. 491,992-3). Also No. 492,150 for "Process of Coating Conductors for Incandescent Lamps."
... with no husband present, and 17.9% are non-families. 13.4% of all households are made up of individuals and 5.5% have someone living alone who is 65 years of age or ...