4. Metal working
  5. Method of mechanical manufacture
  6. Prime mover or fluid pump making

John S. Winter

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Clamp assembly and fabrication thereof

Buckles – buttons – clasps – etc. – Interchangeable button loop and pin
Patent

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Method of manufacturing coated piston ring

Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Patent

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Profile ID: LFUS-PAI-P-874888

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