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Steve Hefner
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Borger, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pipe cleaning system and method
Patent number
10,450,809
Issue date
Oct 22, 2019
Steve Hefner
B08 - CLEANING
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Patent Grant
Drilling tubing cleaning system and method
Patent number
9,404,313
Issue date
Aug 2, 2016
Steve Hefner
B08 - CLEANING
Patents Applications
last 30 patents
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Patent Application
Pipe Cleaning System and Method
Publication number
20160121375
Publication date
May 5, 2016
Steve Hefner
B08 - CLEANING
Information
Patent Application
Pipe Cleaning System and Method
Publication number
20140262298
Publication date
Sep 18, 2014
Steve Hefner
B08 - CLEANING