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Vibratory pavement breaker
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Patent number 6,378,951
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Issue date Apr 30, 2002
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Hydroacoustics, Inc.
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John V. Bouyoucos
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Underwater acoustic impulse source
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Patent number 6,185,156
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Issue date Feb 6, 2001
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Hydroacoustics Inc.
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John V. Bouyoucos
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Seismic source
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Patent number 4,753,316
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Issue date Jun 28, 1988
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Hydroacoustics Inc.
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John V. Bouyoucos
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G01 - MEASURING TESTING
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Hydroacoustic apparatus
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Patent number 4,695,987
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Issue date Sep 22, 1987
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Hydroacoustics Inc.
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John V. Bouyoucos
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G01 - MEASURING TESTING
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Seismic source
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Patent number 4,569,412
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Issue date Feb 11, 1986
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Hydroacoustics Inc.
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John V. Bouyoucos
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E21 - EARTH DRILLING MINING
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Hydraulic press apparatus
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Patent number 4,348,943
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Issue date Sep 14, 1982
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Hydroacoustics Inc.
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John V. Bouyoucos
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B30 - PRESSES
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Optical sensor system
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Patent number 4,294,513
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Issue date Oct 13, 1981
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Hydroacoustics Inc.
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David E. Nelson
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G01 - MEASURING TESTING
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Pile driver
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Patent number 4,187,917
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Issue date Feb 12, 1980
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Hydroacoustics, Inc.
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John V. Bouyoucos
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Percussive drilling apparatus
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Patent number 4,166,507
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Issue date Sep 4, 1979
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Hydroacoustics, Inc.
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John V. Bouyoucos
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Hydroacoustic welder
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Patent number 4,086,122
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Issue date Apr 25, 1978
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Hydroacoustics Inc.
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John V. Bouyoucos
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Impact tools
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Patent number 4,077,304
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Issue date Mar 7, 1978
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Hydroacoustics Inc.
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John V. Bouyoucos
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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