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Digital readout
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Patent number D459248
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Issue date Jun 25, 2002
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Metronics, Inc.
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Richard R. Roelke
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D10 - Measuring, testing, or signalling instruments
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Digital readout
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Patent number D458549
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Issue date Jun 11, 2002
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Metronics, Inc.
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Richard R. Roelke
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D10 - Measuring, testing, or signalling instruments
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Digital readout
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Patent number D457444
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Issue date May 21, 2002
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Metronics, Inc.
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Richard R. Roelke
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D10 - Measuring, testing, or signalling instruments
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Digital readout
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Patent number D457080
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Issue date May 14, 2002
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Metronics, Inc.
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Richard R. Roelke
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D10 - Measuring, testing, or signalling instruments