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 them, 58.8% are married couples living together, 12.8% have a female householder with no husband present, and 24.0% are non-families. 19.0% of all households are made ...