| NL66484C
              (enrdf_load_html_response)
            
            * | 1941-11-22 |  |  |  | 
        
          | US2604605A
              (en)
            
            * | 1942-01-29 | 1952-07-22 | Sperry Corp | High-frequency tube structure | 
        
          | US2516853A
              (en)
            
            * | 1942-02-16 | 1950-08-01 | Standard Telephones Cables Ltd | Electron discharge device for ultra high frequencies | 
        
          | US2492987A
              (en)
            
            * | 1942-07-25 | 1950-01-03 | Rca Corp | Electron discharge device employing resonators | 
        
          | US2534836A
              (en)
            
            * | 1943-03-01 | 1950-12-19 | Hartford Nat Band And Trust Co | High-frequency electron discharge tube | 
        
          | BE469363A
              (enrdf_load_html_response)
            
            * | 1943-11-12 |  |  |  | 
        
          | US2689915A
              (en)
            
            * | 1944-11-04 | 1954-09-21 | Us Navy | Folded line oscillator | 
        
          | US2515997A
              (en)
            
            * | 1944-12-08 | 1950-07-18 | Rca Corp | Electron discharge device and associated circuits | 
        
          | US2552334A
              (en)
            
            * | 1945-03-02 | 1951-05-08 | Rca Corp | Electron discharge device and associated circuit | 
        
          | US2594005A
              (en)
            
            * | 1945-06-13 | 1952-04-22 | Freedman Samuel | Vacuum tube | 
        
          | US2466704A
              (en)
            
            * | 1945-08-30 | 1949-04-12 | Sperry Corp | Frequency multiplier apparatus | 
        
          | US2777967A
              (en)
            
            * | 1946-04-18 | 1957-01-15 | George H Vineyard | High frequency oscillator | 
        
          | BE481089A
              (enrdf_load_html_response)
            
            * | 1946-05-04 |  |  |  | 
        
          | US2607020A
              (en)
            
            * | 1946-08-20 | 1952-08-12 | Int Standard Electric Corp | Pentode tube | 
        
          | US2469843A
              (en)
            
            * | 1946-11-15 | 1949-05-10 | Bell Telephone Labor Inc | Electron transit time tube | 
        
          | BE480960A
              (enrdf_load_html_response)
            
            * | 1947-03-06 |  |  |  | 
        
          | US2828438A
              (en)
            
            * | 1947-06-26 | 1958-03-25 | Gen Electric | Electric discharge devices | 
        
          | US2579480A
              (en)
            
            * | 1947-08-26 | 1951-12-25 | Sperry Corp | Ultrahigh-frequency electron discharge apparatus | 
        
          | US2605444A
              (en)
            
            * | 1948-08-17 | 1952-07-29 | Westinghouse Electric Corp | Multichannel frequency selector and amplifier | 
        
          | US2682622A
              (en)
            
            * | 1948-12-01 | 1954-06-29 | Rca Corp | Cavity resonator for microwave electron beam tubes | 
        
          | US2688107A
              (en)
            
            * | 1950-01-25 | 1954-08-31 | Collins Radio Co | Electron beam device | 
        
          | US2632863A
              (en)
            
            * | 1950-02-25 | 1953-03-24 | Eitel Mccullough Inc | Reflex oscillator tube | 
        
          | US2641733A
              (en)
            
            * | 1951-01-08 | 1953-06-09 | Collins Radio Co | High-frequency tube | 
        
          | US2757314A
              (en)
            
            * | 1951-01-19 | 1956-07-31 | Westinghouse Electric Corp | Resnatron | 
        
          | US2702349A
              (en)
            
            * | 1951-02-15 | 1955-02-15 | Gen Electric | High-frequency electric discharge device and circuits associated therewith | 
        
          | BE516737A
              (enrdf_load_html_response)
            
            * | 1952-01-04 |  |  |  | 
        
          | US2857480A
              (en)
            
            * | 1953-03-27 | 1958-10-21 | Gen Electric | Space charge grid electron beam amplifier with dual outputs | 
        
          | BE542850A
              (enrdf_load_html_response)
            
            * | 1954-11-29 |  |  |  | 
        
          | US2853641A
              (en)
            
            * | 1955-01-20 | 1958-09-23 | Gen Electric | Electron beam and wave energy interaction device | 
        
          | US2813997A
              (en)
            
            * | 1955-01-25 | 1957-11-19 | Gen Electric | Electron discharge device | 
        
          | US2840647A
              (en)
            
            * | 1956-05-23 | 1958-06-24 | Rca Corp | Input and output coaxial-type circuits for double ended vacuum tubess | 
        
          | NL221236A
              (enrdf_load_html_response)
            
            * | 1956-10-01 |  |  |  | 
        
          | US2944224A
              (en)
            
            * | 1957-05-10 | 1960-07-05 | Hewlett Packard Co | High speed binary counter | 
        
          | US3424996A
              (en)
            
            * | 1967-08-29 | 1969-01-28 | Raytheon Co | Voltage jump klystron oscillator | 
        
          | US5548245A
              (en)
            
            * | 1990-03-09 | 1996-08-20 | Eev Limited | Electron beam tube arrangements having the input cavity comprised of electrically internal and external body portions | 
        
          | GB9420606D0
              (en)
            
            * | 1994-10-12 | 1994-11-30 | Eev Ltd | Electron beam tubes | 
        
          | FR2728386B1
              (fr)
            
            * | 1994-12-20 | 1997-01-24 | Thomson Tubes Electroniques | Tube electronique a grille a performances ameliorees | 
        
          | US6084353A
              (en)
            
            * | 1997-06-03 | 2000-07-04 | Communications And Power Industries, Inc. | Coaxial inductive output tube having an annular output cavity | 
        
          | DE10062480C2
              (de)
            
            * | 2000-12-14 | 2003-03-20 | Alexander Schuster | Kran |