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."
... (pretty much the Trotskyist idea of "entrism"). The left-wing of the SPA, or the Debs Caucus, including McReynolds, reconstituted the spirit of the SPA and Eugene V. Debs ...