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Gas Filled Tubes
Patents and Inventions


InventionInventorYearPatent No.
Farnsworth-Hirsch FusorPhilo Taylor Farnsworth
Robert Hirsch
1966
1970
US3,258,402
US3,530,036
Fluorescent LampEdmund Germer &
Friedrich Meyer &
Hans J. Spanner
1926US2,182,732
Gas Filled Tube   
Geiger Counter TubeHans (Johannes Wilhelm) Geiger &
W. Müller (Mueller)
1908 
IgnitronGeorge Westinghouse1933 
Krytron (Sprytron Ignitor)EG&G Corporation  
Mercury-Vapor RectifierIrving Langmuir (GE)1912 
Neon LampGeorges Claude1902 
Neon SignsGeorges Claude1923US1,125,476
Nixie TubeHaydu Brothers Laboratories1952 
ThyratronIrving Langmuir
Toulon
1914
1922
 
Voltage Regulator Tube   


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