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Glenn R. Zadrapa
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Highlands, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for monitoring and recording of the operating...
Patent number
7,066,280
Issue date
Jun 27, 2006
Baker Hughes Incorporated
Eric Charles Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for monitoring and recording of the operating...
Patent number
6,626,251
Issue date
Sep 30, 2003
Baker Hughes Incorporated
Eric Charles Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for monitoring and recording of the operating...
Patent number
6,571,886
Issue date
Jun 3, 2003
Baker Hughes Incorporated
Eric Charles Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for monitoring and recording of the operating...
Patent number
6,543,312
Issue date
Apr 8, 2003
Baker Hughes Incorporated
Eric Charles Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for monitoring and recording of the operating...
Patent number
6,540,033
Issue date
Apr 1, 2003
Baker Hughes Incorporated
Eric Charles Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for monitoring and recording of the operating...
Patent number
6,419,032
Issue date
Jul 16, 2002
Baker Hughes Incorporated
Eric Charles Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for monitoring and recording of the operating...
Patent number
6,230,822
Issue date
May 15, 2001
Baker Hughes Incorporated
Eric Charles Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Inclined leg earth-boring bit
Patent number
6,227,314
Issue date
May 8, 2001
Baker Hughes, Inc.
Glenn R. Zadrapa
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for monitoring and recording of the operating...
Publication number
20040222018
Publication date
Nov 11, 2004
Baker Hughes Incorporated
Eric Charles Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for monitoring and recording of the operating...
Publication number
20040069539
Publication date
Apr 15, 2004
Baker Hughes Incorporated
Eric Charles Sullivan
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for monitoring and recording of the operating...
Publication number
20010054514
Publication date
Dec 27, 2001
Baker Hughes Incorporated
Eric Charles Sullivan
E21 - EARTH DRILLING MINING