McDonnell Helicopter Company LLC

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St. Louis, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Use of aerodynamic forces to assist in the control and positioning...
- Patent number 7,424,988
- Issue date Sep 16, 2008
- McDonnell Helicopter Company LLC
- William R. McDonnell
- B64 - AIRCRAFT AVIATION COSMONAUTICS