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."
... 180 for Germany, 121 for Italy, and 87 for Spain.
An extensive overseas sales effort has so far yielded just one firm order, 60 aircraft for Greece; with an order for 24 ...