[DOC] [TLE] Lee de Forest - Wikipedia [PAR] Lee de Forest (August 26, 1873  June 30, 1961) was an American inventor, self-
described ... His most famous invention, in 1906, was the three-element "Audion" 
(triode) .... At the 1904 Louisiana Purchase Exposition, Valdemar Poulsen had .... 
John Stone Stone, contacted AT&T to arrange for de Forest to demonstrate his... [DOC] [TLE] Lee De Forest - New World Encyclopedia [PAR] Jul 27, 2013 ... De Forest invented the triode vacuum tube, which ushered in a new age of 
electronics ... The litigation that followed was decided in favor of De Forest in 
1906. ... In 1904, John Ambrose Fleming had patented a diode, which consisted 
of an ... In 1934, the courts sided with De Forest against Edwin Armstrong. [DOC] [TLE] Lee de Forest | American inventor | Britannica.com [PAR] American inventor of the Audion vacuum tube, which made possible live ... Lee 
de Forest, (born August 26, 1873, Council Bluffs, Iowa, U.S.died June 30, ... But 
in 1907 he patented a much more promising detector (developed in 1906), ... two
-element device patented by the Englishman Sir John Ambrose Fleming in 1905. [DOC] [TLE] Radio's First Message -- Fessenden and Marconi - IEEE Canada [PAR] The inventor of wireless telegraphy, that is messages as distinct from signals, ... 
and so he enlisted (in 1900) the help of university professor John Ambrose 
Fleming, as scientific ... with wireless telephony to others, Reginald Fessenden 
and Lee de Forest. ... His transatlantic experiments in 1906 were conducted 
using such a... [DOC] [TLE] Lee De Forest facts, information, pictures | Encyclopedia.com ... [PAR] Make research projects and school reports about Lee De Forest easy with 
credible ... over the vacuum diode invented in 1904 by J. A. Fleming: the insertion 
of a third, ... amplifying feeble electric currents in 1906, but this first triode initially 
served only ... Several litigations were carried all the way to the U.S. Supreme 
Court. [DOC] [TLE] Free Flashcards about INVENTORS-J - StudyStack [PAR] JOHN FLEMING INVENTED THIS IN 1904 AND FOUGHT IN COURT WITH LEE 
DE FOREST, WHO INVENTED THE TRIODE IN 1906, DIODE. CHARLES... [DOC] [TLE] lecture on Fleming given by Prof. G.W.O. Howe - G3YNH [PAR] John Ambrose Fleming was born at Lancaster in 1849, but when he was five .... 
1904, twenty years after his visit to Edison, that it suddenly occurred to him that ... 
The invention of the triode by Lee de Forest in 1906 was something for which 
Fleming never ... case was fought out in the law courts before Mr. Justice Sargant 
in... [DOC] [TLE] Timeline of Electromagnetism and Wireless Communication  New ... [PAR] Mar 30, 2016 ... 1600 William Gilbert published De Magnete, recognized that Earth is a ... 1904 
John Ambrose Fleming produces thermionic diode (Fleming valve) tube used as 
a rectifier; 1904 Supreme Court awards Marconi patent for invention of radio ... 
antenna; 1906 Lee de Forest invents triode vacuum tube (Audion)... [DOC] [TLE] IEEE Medal of Honor - Engineering and Technology History Wiki [PAR] Apr 8, 2015 ... Nathan S. Keith, an inventor and electrometallurgical engineer, wanted ... Lee de 
Forest and then Fritz Lowenstein succeeded Stone as President. ..... John A. 
Fleming received the 1933 Medal for the conspicuous part he ... 1904 was the 
25th anniversary of Edison's invention of his incandescent lamp. [DOC] [TLE] A timeline of inventions - Telegraph [PAR] Jul 6, 2000 ... Vacuum diode [1904, John Ambrose Fleming] ... In 1906, Lee De Forest, an 
American inventor, added a grid of fine wire between the filament and plate to 
invent the triode. .... supreme since Catherine de Medici's ban on thick waists at 
the court of her husband, Henri II of France, in the mid-16th century. [DOC] [TLE] Download Full-Text PDF For Free - Full Text Study [PAR] system the caveat protected the inventor for a period of time prior to the filing ..... 
The contenders fought a long legal battle over the patent ... ish courts had also 
ruled in favour of Edison's invention

Question: John Fleming invented this in 1904 & fought in court with Lee de Forest, who invented the triode in 1906
Answer: Diode