4. Electric heating
  5. Metal heating
  6. Wire, rod, or bar bonding

Walter H. Leistner

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Apparatus for applying tee-nut fasteners to workpieces

Metal working – Means to assemble or disassemble – Means to drive self-piercing work part
Patent

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Apparatus for feeding elongated objects

Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent

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Chipped nail welded wire nailing strip and method

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Plural attached fasteners
Patent

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Grooved nail and strip

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Plural attached fasteners
Patent

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Method of riveting a headed fastener

Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate

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Profile ID: LFUS-PAI-P-61088

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