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Handheld maintenance tool
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Patent number D950406
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Issue date May 3, 2022
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Fisher-Rosemount Systems, Inc.
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Alan Roger Dewey
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D10 - Measuring, testing, or signalling instruments
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Handheld maintenance tool
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Patent number D885215
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Issue date May 26, 2020
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Fisher-Rosemount Systems, Inc.
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Alan R. Dewey
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D10 - Measuring, testing, or signalling instruments
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Handheld maintenance tool
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Patent number D856831
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Issue date Aug 20, 2019
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Fisher-Rosemount Systems, Inc.
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Alan R. Dewey
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D10 - Measuring, testing, or signalling instruments
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Handheld maintenance tool
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Patent number D818857
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Issue date May 29, 2018
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Fisher-Rosemount Systems, Inc.
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Alan R. Dewey
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D10 - Measuring, testing, or signalling instruments
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Handheld maintenance tool
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Patent number D790997
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Issue date Jul 4, 2017
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Fisher-Rosemount Systems, Inc.
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Alan Roger Dewey
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D10 - Measuring, testing, or signalling instruments
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Field device calibration
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Patent number 8,364,431
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Issue date Jan 29, 2013
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Fisher-Rosemount Systems, Inc.
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Alden C. Russell
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G05 - CONTROLLING REGULATING
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Field maintenance tool
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Patent number 7,117,122
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Issue date Oct 3, 2006
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Fisher-Rosemount Systems, Inc.
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Martin Zielinski
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G05 - CONTROLLING REGULATING
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