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."
... cartoon characters such as Betty Boop and Minnie Mouse got into the act.
Despite its popularity, the flapper lifestyle and look could not survive the Great Depression. ...