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Directional Wireline Services, Inc.
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Houma, LA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Decentralized casing hole puncher
Patent number
5,295,544
Issue date
Mar 22, 1994
Directional Wireline Services, Inc.
Donald V. Umphries
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75300784 - BIGFOOT
Serial number
75300784
Registration number
2236446
Filing date
May 30, 1997
Directional Wireline Services, Inc.
7 - Machines and machine tools