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For the Inventor, By the Inventor

Wichita Falls, TX, United States of America

501 W-N Apache Corporation


USPTO Granted Patents = 2

Forward Citations = 129

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2 inventors (with patents filed for the assignee):

goldMedal Clyde A Willis (2 out of 23 patents)

silverMedal Keith M Haney (2 out of 11 patents)


2 patents:

1. 4830119 - Top head drive cooling system (1989-05-16),
2. 4821814 - Top head drive assembly for earth drilling machine and components thereof (1989-04-18),
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USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#17 in Wichita Falls, TX

#6,295 in Texas

#94,782 in US

Wichita Falls, TX (US)
Wichita Falls, TX, United States of America

501 W-N Apache Corporation

Forward Citations = 129

2 inventors:

goldMedal Clyde A Willis (2 out of 23 patents)

silverMedal Keith M Haney (2 out of 11 patents)

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