Bruce M. Warnes

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Beaver, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Replaceable wear band for well drill pipe
- Patent number 8,397,840
- Issue date Mar 19, 2013
- Reusable Wearbands, LLC
- Joseph A. Downie
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Replaceable wear band for well drill pipe
- Publication number 20130000990
- Publication date Jan 3, 2013
- Joseph A. Downie
- E21 - EARTH DRILLING MINING