4. Pipe joints or couplings
  5. Essential catch
  6. Leaf spring

John W. Pastrnak

Inventor

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Internal pipe attachment mechanism

Pipe joints or couplings – Essential catch – Leaf spring
Patent

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Portable convertible blast effects shield

Ammunition and explosive-charge making – Bomb disposal
Reexamination Certificate

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Portable convertible blast effects shield

Ammunition and explosive-charge making – Bomb disposal
Reexamination Certificate

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Portable convertible blast effects shield

Ordnance – Shields – Transportable
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1299256

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