4. Fluid handling
  5. Ambient condition change responsive
  6. Underwater

Dennis L. Hart

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Divers first stage adjustable regulator

Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent

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Dual slide gate valve and method for using same

Measuring and testing – With fluid pressure
Reexamination Certificate

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Dual slide gate valve and method for using same

Measuring and testing – With fluid pressure – Leakage
Reexamination Certificate

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Dual slide gate valve and method for using same

Measuring and testing – With fluid pressure – Leakage
Reexamination Certificate

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Dual slide gate valve and method for using same

Pipes and tubular conduits – With closures and plugs – Laterally insertable
Reexamination Certificate

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Profile ID: LFUS-PAI-P-457479

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