TREA

Dexter R. Plummer

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  • Ongar, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clinometer
    • Patent number 4,528,760
    • Issue date Jul 16, 1985
    • PA Consulting Services Limited
    • Dexter R. Plummer
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical compensators for cinematography
    • Patent number 4,320,941
    • Issue date Mar 23, 1982
    • PA Management Consultants Limited
    • Nigel J. R. Dashwood
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Optical scanner
    • Patent number 4,208,589
    • Issue date Jun 17, 1980
    • Schumag GmbH
    • Nigel J. R. Dashwood
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pivoted arm control arrangement
    • Patent number 4,200,828
    • Issue date Apr 29, 1980
    • Streathern Audio Limited
    • Keith D. Ridler
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Phonograph pick-up arm control arrangement
    • Patent number 4,105,961
    • Issue date Aug 8, 1978
    • Strathearn Audio Limited
    • Dexter R. Plummer
    • G11 - INFORMATION STORAGE