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."
... and thematic[?]. The thematic verbs are so called because an a, called the theme vowel, is inserted between the stem and the ending. This serves to mak ...