Arthur Scherbius23 February 1918
German engineer Arthur Scherbius applies for a patent for a cipher machine using rotors and, with E. Richard Ritter, founds the firm of Scherbius & Ritter
Germany · Warfare / World War, 1st. Chronological records rendered directly from the World History Database.
German engineer Arthur Scherbius applies for a patent for a cipher machine using rotors and, with E. Richard Ritter, founds the firm of Scherbius & Ritter
Offers a prototype rotor cipher machine to the German Navy as military communications security becomes a wartime concern.
Invents the Enigma Machine
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