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Shock-activated switch device
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Patent number 7,817,500
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Issue date Oct 19, 2010
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IDT Technology Limited
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Raymond Chan
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H03 - BASIC ELECTRONIC CIRCUITRY
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Exercise data apparatus
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Patent number 7,643,873
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Issue date Jan 5, 2010
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IDT Technology Limited
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Raymond Chan
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G06 - COMPUTING CALCULATING COUNTING
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Clock
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Patent number D567109
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Issue date Apr 22, 2008
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IDT Technology Limited
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Raymond Chan
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D10 - Measuring, testing, or signalling instruments
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Weather station apparatus
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Patent number 7,358,859
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Issue date Apr 15, 2008
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IDT Technology Limited
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Raymond Chan
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G01 - MEASURING TESTING
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Time alarm
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Patent number 7,266,047
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Issue date Sep 4, 2007
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IDT Technology Limited
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Raymond Chan
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Weather monitor
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Patent number D549601
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Issue date Aug 28, 2007
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IDT Technology Limited
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Raymond Chan
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D10 - Measuring, testing, or signalling instruments
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Blood pressure monitor
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Patent number 7,211,047
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Issue date May 1, 2007
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IDT Technology Limited
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Raymond Chan
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Clock
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Patent number D538680
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Issue date Mar 20, 2007
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IDT Technology Limited
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Raymond Chan
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D10 - Measuring, testing, or signalling instruments
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Clock
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Patent number D538679
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Issue date Mar 20, 2007
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IDT Technology Limited
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Raymond Chan
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D10 - Measuring, testing, or signalling instruments
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Projection clock
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Patent number 7,149,152
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Issue date Dec 12, 2006
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IDT Technology Limited
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Raymond Chan
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G04 - HOROLOGY
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Weather station
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Patent number 7,088,221
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Issue date Aug 8, 2006
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IDT Technology Limited
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Raymond Chan
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G01 - MEASURING TESTING
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Weighing scale
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Patent number 6,838,624
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Issue date Jan 4, 2005
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IDT Technology Limited
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Raymond Chan
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G01 - MEASURING TESTING
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Clock
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Patent number D492206
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Issue date Jun 29, 2004
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IDT Technology Limited
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Raymond Chan
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D10 - Measuring, testing, or signalling instruments