#1,969,399, Electron Multiplier, Aug. 7, 1934
        #2,071,515, Electron Multiplying Device, Feb. 23, 1937
        #2,071,517, Multipactor Phase Control, Feb. 23, 1937
        #2,135,615, Multipactor, Nov. 8, 1938
        #2,141,837, Multistage Multipactor, Dec. 27, 1938
        #2,141,838, Split Cathode Multiplier Tube, Dec. 27, 1938
        #2,140,285, Multiplier Coupling System, Dec. 13, 1938
        #2,143,262, Means for Electron Multiplication, Jan. 10, 1939
        #2,172,152, Radio Frequency Multipactor Amplifier, Sept. 5, 1939
        #2,179,996, Electron Multiplier, Nov. 14, 1939
        #2,286,076, Electron Control Device, June 9, 1942
        #2,274,194, Apparatus For and Method of Electon Discharge Control, Feb. 24, 1942
        #2,291,577, Image Amplifier, July 28, 1942
        #2,203,048, Shielded Anode Electron Multiplier, June 4, 1940
        #2,239,149, Electronic Amplifier, April 22, 1941
        #2,217,860, Split Cathode Multiplier, Oct. 15, 1940
        #2,161.620, Two Stage Electron Multiplier, June 6, 1939
        #2,174,487, Self-Energized Alternating Current Multiplier, Sept. 26, 1939
        #2,260,613, Electron Multiplier, Oct. 28, 1941
        #2,204,479, Means and Method for Producing Electron Multiplication, June 11, 1940
        #2,311,981, Electron Control Device, Feb. 23, 1943
        #2,140,832, Means and Method of controlling Electron Multipliers, Dec. 20, 1938
        #2,246,625, Television Scanning and Synchronizing System, June 24, 1941^Z