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Semi-buoyant aircraft

Aeronautics and astronautics – Aircraft – lighter-than-air – Airships with sustaining wings
Patent

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Semi-buoyant composite aircraft with non-rotating aerostat

Aeronautics and astronautics – Aircraft – lighter-than-air – Airships with sustaining wings
Patent

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Signal balloon device

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Patent

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Signal balloon dispensing apparatus

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Patent

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Solar balloon maneuvering system

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Patent

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Solar cell array orientation in an airship

Aeronautics and astronautics – Aircraft – lighter-than-air – Airships
Reexamination Certificate

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Solar power station

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Patent

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Solar powered hot air balloon

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Patent

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Solar-powered aircraft

Aeronautics and astronautics – Aircraft – lighter-than-air – Airships
Reexamination Certificate

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Steerable lighter than air balloon

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Patent

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Stratospheric airship

Aeronautics and astronautics – Aircraft – lighter-than-air – Airships
Reexamination Certificate

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Stratospheric balloon utilizing electrostatic inflation of...

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Reexamination Certificate

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Stratospheric balloon with long flight duration

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Patent

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Super-pressure balloon and method of manufacturing the same

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Reexamination Certificate

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Super-pressured high-altitude airship

Aeronautics and astronautics – Aircraft – lighter-than-air – Airships
Reexamination Certificate

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Surveillance balloon

Aeronautics and astronautics – Aircraft – lighter-than-air – Airships with sustaining wings
Patent

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Survivable and reusable launch vehicle

Aeronautics and astronautics – Aircraft – lighter-than-air – Airships with sustaining wings
Reexamination Certificate

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System and method for the controlled illumination of at...

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Reexamination Certificate

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System for controlling the lift of aircraft

Aeronautics and astronautics – Aircraft – lighter-than-air
Reexamination Certificate

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System for tactical balloon launch and payload return

Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Reexamination Certificate

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