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Modular laser layout system
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Patent number 7,181,853
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Issue date Feb 27, 2007
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Zircon Corporation
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Charles E. Heger
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G01 - MEASURING TESTING
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Fluid-actuated level device
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Patent number 6,493,954
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Issue date Dec 17, 2002
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Zircon Corporation
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Norman L. Krantz
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G01 - MEASURING TESTING
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Hand-held scanning tool
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Patent number D455750
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Issue date Apr 16, 2002
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Zircon Corporation
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Norman L. Krantz
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D14 - Recording, communication, or information retrieval equipment
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Hand-held scanning tool
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Patent number D455430
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Issue date Apr 9, 2002
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Zircon Corporation
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Norman L. Krantz
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D14 - Recording, communication, or information retrieval equipment
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Hand held scanning tool casing
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Patent number D419545
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Issue date Jan 25, 2000
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Zircon Corporation
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Norman L. Krantz
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D14 - Recording, communication, or information retrieval equipment
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Hand held scanning tool
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Patent number D419546
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Issue date Jan 25, 2000
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Zircon Corporation
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Norman L. Krantz
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D14 - Recording, communication, or information retrieval equipment
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Laser alignment tool
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Patent number D418763
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Issue date Jan 11, 2000
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Zircon Corporation
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Norman L. Krantz
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D10 - Measuring, testing, or signalling instruments
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Base for a laser level
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Patent number D418434
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Issue date Jan 4, 2000
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Zircon Corporation
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Norman L. Krantz
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D10 - Measuring, testing, or signalling instruments
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Base for a laser alignment tool
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Patent number D418433
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Issue date Jan 4, 2000
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Zircon Corporation
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Norman L. Krantz
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D10 - Measuring, testing, or signalling instruments
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Laser level
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Patent number D418432
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Issue date Jan 4, 2000
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Zircon Corporation
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Norman L. Krantz
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D10 - Measuring, testing, or signalling instruments