Albert H. Wignall

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Friendswood, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
High pressure magnet assembly
- Patent number 6,026,560
- Issue date Feb 22, 2000
- Schlumberger Technology Corporation
- Al H. Wignall
- G01 - MEASURING TESTING
Information Patent Grant
Downhole gravity tool
- Patent number 5,970,787
- Issue date Oct 26, 1999
- Schlumberger Technology Corporation
- Albert H. Wignall
- G01 - MEASURING TESTING
Information Patent Grant
High pressure magnetic antenna assembly
- Patent number 5,644,231
- Issue date Jul 1, 1997
- Schlumberger Technology Corporation
- Al H. Wignall
- G01 - MEASURING TESTING
Information Patent Grant
Monopole transmitter for a sonic well tool
- Patent number 5,043,952
- Issue date Aug 27, 1991
- Schlumberger Technology Corporation
- David C. Hoyle
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sonic well tool transmitter receiver array including an attenuation...
- Patent number 5,036,945
- Issue date Aug 6, 1991
- Schlumberger Technology Corporation
- David C. Hoyle
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sonic well logging tool longitudinal wave attenuator
- Patent number 4,872,526
- Issue date Oct 10, 1989
- Schlumberger Technology Corporation
- Albert H. Wignall
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sonic well logging tool transmitter
- Patent number 4,862,991
- Issue date Sep 5, 1989
- Schlumberger Technology Corporation
- David C. Hoyle
- G01 - MEASURING TESTING