TREA

Robert M. Pettigrew

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  • Foxton, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Position detector
    • Patent number 7,030,782
    • Issue date Apr 18, 2006
    • Synaptics (UK) Limited
    • David T. E. Ely
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Position detector
    • Patent number 6,489,899
    • Issue date Dec 3, 2002
    • Synaptics (UK) Limited
    • David T. E. Ely
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Position detector
    • Patent number 6,249,234
    • Issue date Jun 19, 2001
    • Absolute Sensors Limited
    • David T. E. Ely
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Optical data recording apparatus and method
    • Patent number 5,877,800
    • Issue date Mar 2, 1999
    • Imperial Chemical Industries PLC
    • Laurence John Robinson
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printing systems
    • Patent number 5,160,943
    • Issue date Nov 3, 1992
    • Esselte Meto International Produktions GmbH
    • Robert M. Pettigrew
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printers and ancillary systems
    • Patent number 5,149,211
    • Issue date Sep 22, 1992
    • Robert M. Pettigrew
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Optical assay technique
    • Patent number 5,118,608
    • Issue date Jun 2, 1992
    • Ares-Serono N.V.
    • Derek G. Layton
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Magnetic devices
    • Patent number 4,960,651
    • Issue date Oct 2, 1990
    • Scientific Generics Limited
    • Robert M. Pettigrew
    • G08 - SIGNALLING
  • Information Patent Grant

    Article detection and/or recognition using magnetic devices
    • Patent number 4,940,966
    • Issue date Jul 10, 1990
    • Scientific Generics Limited
    • Robert M. Pettigrew
    • G08 - SIGNALLING
  • Information Patent Grant

    Optical assay technique
    • Patent number 4,931,384
    • Issue date Jun 5, 1990
    • Ares-Serono N.V.
    • Derek G. Layton
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical data storage medium
    • Patent number 4,928,132
    • Issue date May 22, 1990
    • Plasmon Data Systems
    • Robert M. Pettigrew
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magneto-optic data storage technique
    • Patent number 4,893,299
    • Issue date Jan 9, 1990
    • Victor C. Humberstone
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Interferometers
    • Patent number 4,802,736
    • Issue date Feb 7, 1989
    • Plasmon Data Systems, N.V.
    • Keith Gardner
    • G02 - OPTICS
  • Information Patent Grant

    Image forming and data storage
    • Patent number 4,786,585
    • Issue date Nov 22, 1988
    • Plasmon Data Systems, Incorporated
    • Victor C. Humberstone
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Displacement measuring apparatus and method
    • Patent number 4,776,701
    • Issue date Oct 11, 1988
    • Dr. Johannes Heidenhain GmbH
    • Robert M. Pettigrew
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method of manufacturing a data storage medium
    • Patent number 4,758,307
    • Issue date Jul 19, 1988
    • Plasmon Data Systems N.V.
    • Robert M. Pettigrew
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Datum sensing using optical grating
    • Patent number 4,733,968
    • Issue date Mar 29, 1988
    • Dr. Johannes Heidenhain GmbH
    • Laurence J. Robinson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Data storage medium
    • Patent number 4,724,444
    • Issue date Feb 9, 1988
    • Plasmon Data Systems, Incorporated
    • Robert M. Pettigrew
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Optical data recording using radiation of different characteristics
    • Patent number 4,703,469
    • Issue date Oct 27, 1987
    • Plasmon Data Systems, P.V.
    • Robert M. Pettigrew
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Manufacture of diffraction gratings
    • Patent number 4,657,780
    • Issue date Apr 14, 1987
    • Dr. Johannes Heidenhain GmbH
    • Robert M. Pettigrew
    • G02 - OPTICS
  • Information Patent Grant

    Displacement measuring apparatus and method
    • Patent number 4,636,076
    • Issue date Jan 13, 1987
    • Dr. Johannes Heidenhain GmbH
    • Robert M. Pettigrew
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Data storage medium
    • Patent number 4,616,237
    • Issue date Oct 7, 1986
    • Pa Management Consultants, Ltd.
    • Robert M. Pettigrew
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Zoom lens for cameras
    • Patent number 4,541,695
    • Issue date Sep 17, 1985
    • Establissements Pierre Angenieux SA
    • Ronald C. Wainwright
    • G02 - OPTICS
  • Information Patent Grant

    Information storage and retrieval
    • Patent number 4,522,482
    • Issue date Jun 11, 1985
    • Comtech Research
    • Robert M. Pettigrew
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Optical data storage
    • Patent number 4,486,870
    • Issue date Dec 4, 1984
    • Robert M. Pettigrew
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Position detector
    • Publication number 20040169594
    • Publication date Sep 2, 2004
    • Synaptics (UK) Limited
    • David T.E. Ely
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Position detector
    • Publication number 20030062889
    • Publication date Apr 3, 2003
    • Synaptics (UK) Limited
    • David T.E. Ely
    • G01 - MEASURING TESTING