William M. Langford

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Hampton, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure-assisted linear seal
- Patent number 10,836,515
- Issue date Nov 17, 2020
- United States of America as Represented by the Adminstrator of NASA
- William R. Doggett
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Vertical takeoff and landing vehicle with increased cruise efficiency
- Patent number 9,896,200
- Issue date Feb 20, 2018
- The United States of America as represented by the Administrator of NASA
- William J. Fredericks
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Vertical take-off and landing vehicle with increased cruise efficiency
- Patent number 9,475,579
- Issue date Oct 25, 2016
- The United States of America as represented by the administrator of the Natio...
- William J. Fredericks
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
Pressure-Assisted Linear Seal
- Publication number 20190009932
- Publication date Jan 10, 2019
- United States of America as represented by the Administrator of NASA
- William R. DOGGETT
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
Vertical Takeoff and Landing Vehicle with Increased Cruise Efficiency
- Publication number 20170057631
- Publication date Mar 2, 2017
- USA as represented by the Administrator of the National Aeronautics and Space...
- William J. FREDERICKS
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
VERTICAL TAKE-OFF AND LANDING VEHICLE WITH INCREASED CRUISE EFFICIENCY
- Publication number 20160244158
- Publication date Aug 25, 2016
- WILLIAM J. FREDERICKS
- B64 - AIRCRAFT AVIATION COSMONAUTICS