James R. Andrews

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Mansfield, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Counter-torque device for a helicopter
- Patent number 8,640,984
- Issue date Feb 4, 2014
- Bell Helicopter TEXTRON Inc.
- John M. Kebrle
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
COUNTER-TORQUE DEVICE FOR A HELICOPTER
- Publication number 20130032664
- Publication date Feb 7, 2013
- Bell Helicopter Textron Inc.
- John M. Kebrle
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Counter-Torque Device for a Helicopter
- Publication number 20090014581
- Publication date Jan 15, 2009
- Bell Helicopter Textron Inc.
- John M. Kebrle
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES