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Frederick A. Stone
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Durham, CT, US
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last 30 patents
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Patent Grant
Method of decoding MWD signals using annular pressure signals
Patent number
5,272,680
Issue date
Dec 21, 1993
Baker Hughes Incorporated
Frederick A. Stone
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for the detection and correction of magnetic interference in...
Patent number
4,761,889
Issue date
Aug 9, 1988
Teleco Oilfield Services Inc.
Martin E. Cobern
E21 - EARTH DRILLING MINING
Information
Patent Grant
Insulating coupling for drill collars and method of manufacture the...
Patent number
4,674,773
Issue date
Jun 23, 1987
Teleco Oilfield Services Inc.
Frederick A. Stone
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of manufacturing an insulating coupling for drill collars
Patent number
4,589,187
Issue date
May 20, 1986
Teleco Oilfield Services Inc.
Frederick A. Stone
E21 - EARTH DRILLING MINING
Information
Patent Grant
Electrical connector for borehole telemetry apparatus
Patent number
4,319,240
Issue date
Mar 9, 1982
Teleco Oilfield Services Inc.
Frederick A. Stone
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic circuit for borehole telemetry apparatus
Patent number
4,266,606
Issue date
May 12, 1981
Teleco Oilfield Services Inc.
Frederick A. Stone
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mounting and shock absorber assembly for borehole telemetry apparatus
Patent number
4,265,305
Issue date
May 5, 1981
Teleco Oilfield Services Inc.
Frederick A. Stone
E21 - EARTH DRILLING MINING