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For the Inventor, By the Inventor

North Eastham, MA, United States of America

Dbi Corporation


USPTO Granted Patents = 3

Forward Citations = 68

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2 inventors (with patents filed for the assignee):

goldMedal Lawrence W Hill (3 out of 10 patents)

silverMedal F Williams Sarles (3 out of 5 patents)


3 patents:

1. 6937159 - Downhole telemetry and control system using orthogonal frequency division multiplexing (2005-08-30),
2. 6898149 - Reprogrammable downhole telemetry and control system (2005-05-24),
3. 6747569 - Downhole telemetry and control system (2004-06-08),
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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#1 in North Eastham, MA

#3,875 in Massachusetts

#71,950 in US

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North Eastham, MA, United States of America

Dbi Corporation

Forward Citations = 68

2 inventors:

goldMedal Lawrence W Hill (3 out of 10 patents)

silverMedal F Williams Sarles (3 out of 5 patents)

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