4. Fire escape, ladder, or scaffold
  5. Pole or strand grasping-type climber
  6. Foot- or leg-attachable

William M. Porter

Inventor

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Balloon catheter inflator

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Article for the introduction – removal or collection of fluids
Patent

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Climbing apparatus

Fire escape – ladder – or scaffold – Pole or strand grasping-type climber – Foot- or leg-attachable
Patent

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Climbing apparatus

Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent

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Inflation/deflation syringe with threaded plunger

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent

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Intravenous drug access system

Surgery – Container for blood or body treating material – or means used... – Having hollow needle or spike for piercing container or...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-661833

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