4. Gear cutting, milling, or planing
  5. Milling
  6. Randomly manipulated, work supported, or work following device

Clifford A. Calhoun

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Emergency breathing device for opening cartridges

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

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Precision drafting instrument

Gear cutting – milling – or planing – Milling – Randomly manipulated – work supported – or work following device
Patent

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Pressure indicator

Signals and indicators – Indicators – Fluid flow
Patent

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Profile ID: LFUS-PAI-P-768386

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