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J. Scott Drennan
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Dallas, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Variable hub-to-hub phasing rotor system
Patent number
10,549,849
Issue date
Feb 4, 2020
Brian Modrzejewski
B64 - AIRCRAFT AVIATION COSMONAUTICS
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Patent Grant
Variable hub-to-hub phasing rotor system
Patent number
9,889,927
Issue date
Feb 13, 2018
Bell Helicopter Textron Inc.
Brian Modrzejewski
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 Applications
last 30 patents
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Patent Application
Variable Hub-to-Hub Phasing Rotor System
Publication number
20200023951
Publication date
Jan 23, 2020
BELL HELICOPTER TEXTRON INC.
Brian Modrzejewski
B64 - AIRCRAFT AVIATION COSMONAUTICS
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