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Velocity measurement system
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Patent number 5,333,508
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Issue date Aug 2, 1994
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ADS Environmental Services, Inc.
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Alan M. Petroff
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G01 - MEASURING TESTING
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Velocity measurement system
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Patent number 5,226,328
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Issue date Jul 13, 1993
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ADS Environmental Services, Inc.
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Alan M. Petroff
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G01 - MEASURING TESTING
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Velocity measurement system
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Patent number 5,020,374
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Issue date Jun 4, 1991
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ADS Environmental Services, Inc.
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Alan M. Petroff
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G01 - MEASURING TESTING
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