David A. Steffy

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Herndon, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for formationkeeping between orbiting spacecraft...
- Patent number 5,806,801
- Issue date Sep 15, 1998
- Orbital Sciences Corporation
- David A. Steffy
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Axially arrayed helical antenna
- Patent number 5,587,719
- Issue date Dec 24, 1996
- Orbital Sciences Corporation
- David A. Steffy
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Satellite having a stackable configuration
- Patent number 5,522,569
- Issue date Jun 4, 1996
- Orbital Sciences Corporation
- David A. Steffy
- B64 - AIRCRAFT AVIATION COSMONAUTICS