Patents
- US 1745175 Julius Edgar Lilienfeld: "Method and apparatus for controlling electric current" first filed in Canada on 22.10.1925, describing a device similar to a MESFET
- US 1900018 Julius Edgar Lilienfeld: "Device for controlling electric current" filed on 28.03.1928, a thin film MOSFET
- GB 439457 Oskar Heil: "Improvements in or relating to electrical amplifiers and other control arrangements and devices" first filed in Germany on 02.03.1934
- US 2524035 J. Bardeen et al.: "Three-electrode circuit element utilizing semiconductive materials" oldest priority 26.02.1948
- US 2569347 W. Shockley: "Circuit element utilizing semiconductive material" oldest priority 26.06.1948
Read more about this topic: History Of The Transistor