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."
... of all households are made up of individuals and 7.0% have someone living alone who is 65 years of age or older. The average household size is 3.10 and the average family ...