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Colin Arrowsmith

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  • Tyne & Wear, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermionic valve tester
    • Patent number 9,810,733
    • Issue date Nov 7, 2017
    • Orange Music Electronics Company Limited
    • Cliff Cooper
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Audiovisual teaching apparatus
    • Patent number 8,872,013
    • Issue date Oct 28, 2014
    • Orange Music Electronic Company Limited
    • Cliff Cooper
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Controlling the performance of a thermionic tube
    • Patent number 7,936,211
    • Issue date May 3, 2011
    • KBO Dynamics International Limited
    • Colin Arrowsmith
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents