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Michael S. McDonald

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  • Springfield, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Annular hollow cathode
    • Patent number 11,937,361
    • Issue date Mar 19, 2024
    • The Government of the United States of America, as represented by the Secreta...
    • Michael McDonald
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Methods and apparatuses for emitting electrons from a hollow cathode
    • Patent number 11,596,049
    • Issue date Feb 28, 2023
    • The Government of the United States of America, as represented by the Secreta...
    • Michael McDonald
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Thermally enhanced compound field emitter
    • Patent number 11,335,529
    • Issue date May 17, 2022
    • The Government of the United States of America, as represented by the Secreta...
    • Kevin Jensen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method and/or apparatus for frictionless wideband high-power radio-...
    • Patent number 10,930,991
    • Issue date Feb 23, 2021
    • The Government of the United States of America, as represented by the Secreta...
    • Michael S. McDonald
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thermally isolated thermionic hollow cathodes
    • Patent number 9,980,361
    • Issue date May 22, 2018
    • The United States of America, as represented by the Secretary of the Navy
    • Michael S. McDonald
    • B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents