 The Ericofon, or Cobra Phone is a plastic one-piece telephone, in the candlestick/upright style, created by the Ericsson Company and marketed throughout the second half of the 20th century.It was the first commercially marketed telephone design to incorporate the dial and headset into a single unit.Because of its styling, and influence on future telephone design, the Ericofon is considered one of the most significant industrial designs of the 20th century and is in the collection of Museum of Modern Art.