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."
... The four systems are:
Present[?] (Present[?], Imperfect[?], Imperative, Potential)
Future (Future[?], Conditional)
Aorist[?]
Perfect[?]
Word order[?] is free with ...