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 Proto-Indo-European, the root of all later Indo-European languages. Vedic Sanskrit is also practically identical to Avestan, the language of Zoroastrianism. After ...