4. Aeronautics and astronautics
  5. Safety lowering devices
  6. Parachutes

Roger F. Allen

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Gun system with barrel opening sealed off by projectile

Mechanical guns and projectors – Fluid pressure – With control for discharge of fluid pressure
Patent

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Parachute

Aeronautics and astronautics – Safety lowering devices – Parachutes
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Pin puller for parachute automatic activation system

Aeronautics and astronautics – Safety lowering devices – Parachutes
Patent

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Profile ID: LFUS-PAI-P-1652970

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