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Location systems and methods
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Patent number 8,050,687
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Issue date Nov 1, 2011
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Cambridge Positioning Systems Limited
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Peter James Duffett-Smith
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Radio positioning systems
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Patent number 7,508,883
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Issue date Mar 24, 2009
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Cambridge Positioning Systems Limited
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Peter James Duffett-Smith
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Radio positioning systems
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Patent number 7,359,719
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Issue date Apr 15, 2008
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Cambridge Positioning Systems Limited
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Peter James Duffett-Smith
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Radio positioning systems
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Patent number 7,315,745
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Issue date Jan 1, 2008
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Cambridge Positioning Systems Ltd.
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Peter James Duffett-Smith
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G01 - MEASURING TESTING
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Positioning systems and methods
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Patent number 6,937,866
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Issue date Aug 30, 2005
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Cambridge Positioning Systems Limited
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Peter James Duffett-Smith
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Radio positioning systems
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Patent number 6,894,644
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Issue date May 17, 2005
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Cambridge Positioning Systems Limited
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Peter James Duffett-Smith
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G01 - MEASURING TESTING
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Radio positioning systems
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Patent number 6,529,165
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Issue date Mar 4, 2003
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Cambridge Positioning Systems, Ltd.
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Peter James Duffett-Smith
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Location and tracking system
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Patent number 6,522,890
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Issue date Feb 18, 2003
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Cambridge Positioning Systems, Ltd.
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Christopher R. Drane
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Position determining system
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Patent number 6,342,854
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Issue date Jan 29, 2002
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Cambridge Positioning Systems Ltd.
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Peter James Duffett-Smith
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G01 - MEASURING TESTING
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Location and tracking system
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Patent number 6,275,705
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Issue date Aug 14, 2001
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Cambridge Positioning Systems Ltd.
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Christopher R. Drane
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G01 - MEASURING TESTING
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Position determining system
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Patent number 6,094,168
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Issue date Jul 25, 2000
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Cambridge Positioning Systems Ltd.
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Peter James Duffett-Smith
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G01 - MEASURING TESTING
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76629287 - EGPS
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Serial number 76629287
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Registration number 3086806
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Filing date Jan 25, 2005
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Cambridge Positioning Systems Limited
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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76191664 - COVERGE
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Serial number 76191664
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Filing date Jan 9, 2001
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Cambridge Positioning Systems Limited
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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76191665 - CURSOR
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Serial number 76191665
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Registration number 2835740
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Filing date Jan 9, 2001
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Cambridge Positioning Systems Limited
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16 - Paper, cardboard and goods made from these materials, not included in other classes
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75471285 - CURSOR
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Serial number 75471285
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Registration number 2432558
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Filing date Apr 21, 1998
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Cambridge Positioning Systems Limited
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments