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 medicine's past was in fact quackery. Nowadays, doctors are often paid a very large salary, much more than most of the people they treat. They often receive money for a ...