TREA

Charles V. Perkins

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  • Cambridge, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spectrophotometer
    • Patent number 5,473,427
    • Issue date Dec 5, 1995
    • Unicam Limited
    • Roger J. Riley
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Liquid chromatography
    • Patent number 5,209,853
    • Issue date May 11, 1993
    • U.S. Philips Corporation
    • Roderick J. Lynch
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical wavelength selective devices having rigid support structure
    • Patent number 4,726,657
    • Issue date Feb 23, 1988
    • U.S. Philips Corporation
    • Charles V. Perkins
    • G02 - OPTICS
  • Information Patent Grant

    Interferometer
    • Patent number 4,681,445
    • Issue date Jul 21, 1987
    • U.S. Philips Corporation
    • Charles V. Perkins
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Adjusting the direction of a beam of radiation
    • Patent number 4,637,695
    • Issue date Jan 20, 1987
    • U.S. Philips Corporation
    • Charles V. Perkins
    • G02 - OPTICS
  • Information Patent Grant

    Cam and follower arrangement
    • Patent number 4,315,691
    • Issue date Feb 16, 1982
    • Pye Electronic Products Limited
    • Charles V. Perkins
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Monochromator
    • Patent number 4,310,244
    • Issue date Jan 12, 1982
    • U.S. Philips Corporation
    • Charles V. Perkins
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Spectrophotometer
    • Patent number 4,307,960
    • Issue date Dec 29, 1981
    • U.S. Philips Corporation
    • Derek Barlow
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Spectrophotometer
    • Patent number 4,305,663
    • Issue date Dec 15, 1981
    • Pye (Electronic Products) Limited
    • Charles V. Perkins
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Spectrophotometer
    • Patent number 4,299,485
    • Issue date Nov 10, 1981
    • Pye Electronic Products Limited
    • Derek Barlow
    • G06 - COMPUTING CALCULATING COUNTING