Lilienfeld's Patents
- US 1745175 "Method and apparatus for controlling electric current" first filed in Canada on 22.10.1925, describing a device similar to a MESFET
- US 1900018 "Device for controlling electric current" filed on 28.03.1928, a thin film MOSFET
- US 1877140 "Amplifier for electric currents" filed on 08.12.1928, solid state device where the current flow is controlled by a porous metal layer, a solid state version of the vacuum tube
- US 2013564 "Electrolytic condenser" filed on 29.08.1931, Electrolytic capacitor
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