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Total properties:
12
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Patent #:
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Issue Dt:
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06/23/1987
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Application #:
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06709046
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Filing Dt:
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03/07/1985
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Title:
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METHOD AND APPARATUS FOR INSTALLMENT OF UNDERGROUND UTILITIES
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Patent #:
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Issue Dt:
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07/05/1988
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Application #:
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06866170
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Filing Dt:
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05/22/1986
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Title:
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CURRENT SENSING ALARM ARRANGEMENT FOR MONITORING THE PRESENCE OF HIGH VOLTAGE
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Patent #:
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Issue Dt:
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04/18/1989
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Application #:
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06866240
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Filing Dt:
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05/22/1986
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Title:
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TECHNIQUE FOR PROVIDING AN UNDERGROUND TUNNEL UTILIZING A POWERED BORING DEVICE
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Patent #:
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Issue Dt:
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12/22/1987
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Application #:
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06866241
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Filing Dt:
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05/22/1986
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Title:
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TECHNIQUE FOR STEERING AND MONITORING THE ORIENTATION OF A POWERED UNDERGROUND BORING DEVICE
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Patent #:
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Issue Dt:
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02/21/1989
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Application #:
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06866242
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Filing Dt:
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05/22/1986
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Title:
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AN ABOVE-GROUND ARRANGEMENT FOR AND METHOD OF LOCATING A DISCRETE INGROUND BORING DEVICE
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Patent #:
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Issue Dt:
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11/14/1989
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Application #:
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06914706
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Filing Dt:
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10/02/1986
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Title:
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HOMING TECHNIQUE FOR AN IN-GROUND BORING DEVICE
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Patent #:
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Issue Dt:
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07/05/1988
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Application #:
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06946537
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Filing Dt:
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12/24/1986
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Title:
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SYSTEM INCLUDING A MULTI-STEPPED NOZZLE ASSEMBLY FOR BACK-BORING AN INGROUND PASSAGEWAY
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Patent #:
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Issue Dt:
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11/29/1988
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Application #:
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07120294
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Filing Dt:
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11/13/1987
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Title:
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VARIABLE RAKE MINE TOOL INSERT AND METHOD OF USE
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Patent #:
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Issue Dt:
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03/27/1990
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Application #:
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07146959
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Filing Dt:
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01/22/1988
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Title:
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SWIVEL ARRANGEMENT FOR CONNECTING A BORING OR REAMING TOOL TO A CABLE
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Patent #:
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Issue Dt:
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09/05/1989
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Application #:
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07188958
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Filing Dt:
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04/29/1988
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Title:
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INGROUND BORING TECHNIQUE INCLUDING REAL TIME TRANSDUCER
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Patent #:
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Issue Dt:
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09/19/1989
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Application #:
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07196945
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Filing Dt:
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05/20/1988
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Title:
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TECHNIQUE FOR STEERING A DOWNHOLE HAMMER
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Patent #:
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Issue Dt:
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08/15/1989
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Application #:
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07260937
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Filing Dt:
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10/21/1988
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Title:
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TECHNIQUE FOR PROVIDING AN UNDERGROUND TUNNEL UTILIZING A POWERED BORING DEVICE
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