4. Supports
  5. Supporting base
  6. Rotatable

William A. Hoffman

Inventor

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Explosive containment device

Ammunition and explosive-charge making – Bomb disposal
Reexamination Certificate

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Flushed-seal respirator

Surgery – Respiratory method or device – Face mask covering a breathing passage
Reexamination Certificate

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Swivel base assembly

Supports – Supporting base – Rotatable
Patent

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Profile ID: LFUS-PAI-P-1854149

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