4. Metal working
  5. Method of mechanical manufacture
  6. Assembling or joining

Francis D. Logan

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Drilling machine

Cutting by use of rotating axially moving tool – With control means energized in response to activator... – To control infeed
Patent

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Integrally formed sidepocket mandrel

Metal working – Method of mechanical manufacture – Assembling or joining
Patent

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Self-centering steady rest for a machine tool

Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation
Patent

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Sidepocket mandrel and method of making

Wells – Means for guiding insertable element laterally of well axis
Patent

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Profile ID: LFUS-PAI-P-171058

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