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Lightning locating system
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Patent number 6,246,367
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Issue date Jun 12, 2001
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Airborne Research Associates, Inc.
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Ralph J. Markson
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G01 - MEASURING TESTING
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Lightning locating system
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Patent number 5,771,020
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Issue date Jun 23, 1998
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Airborne Research Associates, Inc.
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Ralph J. Markson
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G01 - MEASURING TESTING
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Storm warning system
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Patent number 5,396,220
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Issue date Mar 7, 1995
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Airborne Research Laboratories, Inc.
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Ralph J. Markson
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G01 - MEASURING TESTING
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Optical warning system
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Patent number 5,057,820
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Issue date Oct 15, 1991
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Airborne Research Associates, Inc.
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Ralph J. Markson
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G01 - MEASURING TESTING
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