Brent Kejr

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Salina, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Vibratory drill head mounting and rotation coupling system
- Patent number 8,342,263
- Issue date Jan 1, 2013
- Kejr, Inc.
- Brent Kejr
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
VIBRATORY DRILL HEAD MOUNTING AND ROTATION COUPLING SYSTEM
- Publication number 20100139985
- Publication date Jun 10, 2010
- Brent Kejr
- E21 - EARTH DRILLING MINING