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For the Inventor, By the Inventor

Friendswood, TX, United States of America

Albert H Wignall

This inventor holds 5 USPTO granted patents. Top assignee: Schlumberger Technology Corporation. Active years: 1989-1999.

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 157(Granted Patents)


Company Filing History:

goldMedal5 out of 10,706 
 
Schlumberger Technology Corporation
 patents

Years Active: 1989-1999

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5 patents (USPTO):Explore Patents
1. 5970787 - Downhole gravity tool (1999-10-26),
2. 5043952 - Monopole transmitter for a sonic well tool (1991-08-27),
3. 5036945 - Sonic well tool transmitter receiver array including an attenuation and (1991-08-06),
4. 4872526 - Sonic well logging tool longitudinal wave attenuator (1989-10-10),
5. 4862991 - Sonic well logging tool transmitter (1989-09-05),
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