J. Donn Hethcock

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Colleyville, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of machining a thin-walled structure
- Patent number 9,364,930
- Issue date Jun 14, 2016
- Bell Helicopter Textron Inc.
- J. Donn Hethcock
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Convertible helicopter ring member
- Patent number 9,067,676
- Issue date Jun 30, 2015
- Bell Helicopter Textron Inc.
- J. Donn Hethcock
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Method and apparatus for Z-direction fiber insertion of discrete fi...
- Patent number 7,993,477
- Issue date Aug 9, 2011
- Bell Helicopter Textron Inc.
- J. Donn Hethcock
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method of Machining a Thin-Walled Structure
- Publication number 20140259628
- Publication date Sep 18, 2014
- BELL HELICOPTER TEXTRON INC.
- J. Donn Hethcock
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Method and Apparatus for Z-Direction Reinforcement of Composite Lam...
- Publication number 20110277937
- Publication date Nov 17, 2011
- J. Donn Hethcock
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method and apparatus for z-direction reinforcement of composite lam...
- Publication number 20060113027
- Publication date Jun 1, 2006
- J. Donn Hethcock
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL