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Resonantly driven earth moving blade
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Patent number 4,821,808
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Issue date Apr 18, 1989
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Resonant Technology Company
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Raymond A. Gurries
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Pavement penetrating tool
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Patent number 4,511,282
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Issue date Apr 16, 1985
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Resonant Technology Company
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Raymond A. Gurries
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Resonance aided front end loader
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Patent number 4,467,539
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Issue date Aug 28, 1984
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Resonant Technology Company
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Raymond A. Gurries
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Resonance aided front end loader
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Patent number 4,454,666
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Issue date Jun 19, 1984
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Resonant Technology Company
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Raymond A. Gurries
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Continuous miner
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Patent number 4,444,434
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Issue date Apr 24, 1984
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Resonant Technology Company
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Raymond A. Gurries
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Impact rail forger
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Patent number 4,420,963
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Issue date Dec 20, 1983
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Resonant Technology Company
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Raymond A. Gurries
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Resonantly driven pavement crusher
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Patent number 4,402,629
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Issue date Sep 6, 1983
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Resonant Technology Company
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Raymond A. Gurries
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Resonantly-powered crusher
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Patent number 4,387,859
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Issue date Jun 14, 1983
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Resonant Technology Co.
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Raymond A. Gurries
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Resonantly-powered press
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Patent number 4,385,014
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Issue date May 24, 1983
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Resonant Technology Co.
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Raymond A. Gurries
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Resonantly-powered plasticizer
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Patent number 4,383,765
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Issue date May 17, 1983
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Resonant Technology Company
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Raymond A. Gurries
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Sequenced fastener installation system
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Patent number 4,370,906
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Issue date Feb 1, 1983
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Resonant Technology Company
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Raymond A. Gurries
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Resonantly driven trenching tool
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Patent number 4,353,175
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Issue date Oct 12, 1982
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Resonant Technology Company
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Raymond A. Gurries
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Resonant system speed control
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Patent number 4,330,156
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Issue date May 18, 1982
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Resonant Technology Co.
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Raymond A. Gurries
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Resonant system support
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Patent number 4,320,807
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Issue date Mar 23, 1982
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Resonant Technology Company
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Raymond A. Gurries
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL