John T. Johnston

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Greenville, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Door assembly with shear layer control aperture
- Patent number 5,678,787
- Issue date Oct 21, 1997
- E-Systems, Inc.
- William C. Kahn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Door assembly with shear layer control aperture
- Patent number 5,520,358
- Issue date May 28, 1996
- E-Systems, Inc.
- William C. Kahn
- B64 - AIRCRAFT AVIATION COSMONAUTICS